diff --git a/Cargo.lock b/Cargo.lock
index 77d9df5e..0fc506a2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,200 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
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- "bytes",
- "futures-core",
- "futures-sink",
- "log",
- "memchr",
- "pin-project-lite",
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- "tokio-util",
-]
-
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-dependencies = [
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- "futures-util",
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- "smallvec",
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-
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- "actix-service",
- "actix-utils",
- "ahash",
- "base64",
- "bitflags",
- "brotli",
- "bytes",
- "bytestring",
- "derive_more",
- "encoding_rs",
- "flate2",
- "futures-core",
- "h2",
- "http",
- "httparse",
- "httpdate",
- "itoa 1.0.4",
- "language-tags",
- "local-channel",
- "mime",
- "percent-encoding",
- "pin-project-lite",
- "rand",
- "sha1",
- "smallvec",
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- "zstd",
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-
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-dependencies = [
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- "pin-project-lite",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "actix-codec",
- "actix-http",
- "actix-macros",
- "actix-router",
- "actix-rt",
- "actix-server",
- "actix-service",
- "actix-utils",
- "actix-web-codegen",
- "ahash",
- "bytes",
- "bytestring",
- "cfg-if",
- "cookie",
- "derive_more",
- "encoding_rs",
- "futures-core",
- "futures-util",
- "http",
- "itoa 1.0.4",
- "language-tags",
- "log",
- "mime",
- "once_cell",
- "pin-project-lite",
- "regex",
- "serde",
- "serde_json",
- "serde_urlencoded",
- "smallvec",
- "socket2",
- "time 0.3.15",
- "url",
-]
-
-[[package]]
-name = "actix-web-codegen"
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "actix-router",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
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 version = "0.17.0"
@@ -211,6 +17,12 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
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+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
+
 [[package]]
 name = "ahash"
 version = "0.7.6"
@@ -265,16 +77,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "arrayref"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4c527152e37cf757a3f78aae5a06fbeefdb07ccc535c980a3208ee3060dd544"
-
-[[package]]
-name = "arrayvec"
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+name = "ascii"
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+checksum = "d92bec98840b8f03a5ff5413de5293bfcd8bf96467cf5452609f939ec6f5de16"
 
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 name = "atomic"
@@ -329,17 +135,6 @@ version = "1.3.2"
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- "constant_time_eq",
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-
 [[package]]
 name = "block-buffer"
 version = "0.10.3"
@@ -382,6 +177,16 @@ dependencies = [
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 ]
 
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+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b953a6887648bb07a535631f2bc00fbdb2a2216f135552cb3f534ed136b9c07f"
+dependencies = [
+ "memchr",
+ "safemem",
+]
+
 [[package]]
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 version = "3.11.0"
@@ -400,21 +205,6 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
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-dependencies = [
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-
 [[package]]
 name = "casey"
 version = "0.3.3"
@@ -429,15 +219,6 @@ name = "cc"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
-dependencies = [
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-
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-checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
 
 [[package]]
 name = "cfg-if"
@@ -492,6 +273,12 @@ dependencies = [
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 ]
 
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+name = "chunked_transfer"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fff857943da45f546682664a79488be82e69e43c1a7a2307679ab9afb3a66d2e"
+
 [[package]]
 name = "clap"
 version = "3.2.22"
@@ -541,39 +328,6 @@ dependencies = [
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 ]
 
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-version = "4.6.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35ed6e9d84f0b51a7f52daf1c7d71dd136fd7a3f41a8462b8cdb8c78d920fad4"
-dependencies = [
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- "memchr",
-]
-
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-version = "0.1.5"
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-checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
-
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-checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
-
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-dependencies = [
- "percent-encoding",
- "time 0.3.15",
- "version_check",
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-
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 name = "core-foundation"
 version = "0.9.3"
@@ -607,6 +361,7 @@ dependencies = [
  "lazy_static",
  "log",
  "miette",
+ "minreq",
  "nalgebra",
  "num-traits",
  "ordered-float",
@@ -616,7 +371,6 @@ dependencies = [
  "rand",
  "rayon",
  "regex",
- "reqwest",
  "rmp",
  "rmp-serde",
  "rmpv",
@@ -644,23 +398,17 @@ dependencies = [
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 version = "0.1.0"
 dependencies = [
- "actix-cors",
- "actix-web",
  "clap",
  "cozo",
  "env_logger",
- "futures",
  "log",
  "miette",
- "rand",
+ "rouille",
  "rpassword",
- "rust-argon2",
  "serde",
  "serde_derive",
  "serde_json",
- "sha3",
  "static-files",
- "webbrowser",
 ]
 
 [[package]]
@@ -756,12 +504,6 @@ dependencies = [
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 ]
 
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-
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 name = "cxx"
 version = "1.0.78"
@@ -807,51 +549,13 @@ dependencies = [
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-version = "0.13.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "quote",
- "strsim",
- "syn",
-]
-
-[[package]]
-name = "darling_macro"
-version = "0.13.4"
+name = "deflate"
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+checksum = "5f95bf05dffba6e6cce8dfbb30def788154949ccd9aed761b472119c21e01c70"
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-dependencies = [
- "convert_case",
- "proc-macro2",
- "quote",
- "rustc_version",
- "syn",
+ "adler32",
+ "gzip-header",
 ]
 
 [[package]]
@@ -870,15 +574,6 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
 
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "cfg-if",
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-
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 name = "env_logger"
 version = "0.9.1"
@@ -902,21 +597,17 @@ dependencies = [
 ]
 
 [[package]]
-name = "flate2"
-version = "1.0.24"
+name = "filetime"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f82b0f4c27ad9f8bfd1f3208d882da2b09c301bc1c828fd3a00d0216d2fbbff6"
+checksum = "e94a7bbaa59354bc20dd75b67f23e2797b4490e9d6928203fb105c79e448c86c"
 dependencies = [
- "crc32fast",
- "miniz_oxide",
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "windows-sys",
 ]
 
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
 [[package]]
 name = "foreign-types"
 version = "0.3.2"
@@ -941,95 +632,6 @@ dependencies = [
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 ]
 
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- "futures-core",
- "futures-executor",
- "futures-io",
- "futures-sink",
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-
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-dependencies = [
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-
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-dependencies = [
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-
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-
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6508c467c73851293f390476d4491cf4d227dbabcd4170f3bb6044959b294f1"
-
-[[package]]
-name = "futures-util"
-version = "0.3.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "futures-channel",
- "futures-core",
- "futures-io",
- "futures-macro",
- "futures-sink",
- "futures-task",
- "memchr",
- "pin-project-lite",
- "pin-utils",
- "slab",
-]
-
 [[package]]
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 version = "0.14.6"
@@ -1064,22 +666,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 
 [[package]]
-name = "h2"
-version = "0.3.14"
+name = "gzip-header"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ca32592cf21ac7ccab1825cd87f6c9b3d9022c44d086172ed0966bec8af30be"
+checksum = "0131feb3d3bb2a5a238d8a4d09f6353b7ebfdc52e77bccbf4ea6eaa751dde639"
 dependencies = [
- "bytes",
- "fnv",
- "futures-core",
- "futures-sink",
- "futures-util",
- "http",
- "indexmap",
- "slab",
- "tokio",
- "tokio-util",
- "tracing",
+ "crc32fast",
 ]
 
 [[package]]
@@ -1106,83 +698,18 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "http"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75f43d41e26995c17e71ee126451dd3941010b0514a81a9d11f3b341debc2399"
-dependencies = [
- "bytes",
- "fnv",
- "itoa 1.0.4",
-]
-
-[[package]]
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-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
-dependencies = [
- "bytes",
- "http",
- "pin-project-lite",
-]
-
 [[package]]
 name = "httparse"
 version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904"
 
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-
 [[package]]
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 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "futures-channel",
- "futures-core",
- "futures-util",
- "h2",
- "http",
- "http-body",
- "httparse",
- "httpdate",
- "itoa 1.0.4",
- "pin-project-lite",
- "socket2",
- "tokio",
- "tower-service",
- "tracing",
- "want",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "bytes",
- "hyper",
- "native-tls",
- "tokio",
- "tokio-native-tls",
-]
-
 [[package]]
 name = "iana-time-zone"
 version = "0.1.50"
@@ -1196,12 +723,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "ident_case"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
-
 [[package]]
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 version = "0.3.0"
@@ -1231,12 +752,6 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "879d54834c8c76457ef4293a689b2a8c59b076067ad77b15efafbb05f92a592b"
-
 [[package]]
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 version = "1.1.1"
@@ -1264,35 +779,6 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc"
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6df18c2e3db7e453d3c6ac5b3e9d5182664d28788126d39b91f2d1e22b017ec"
-dependencies = [
- "cesu8",
- "combine",
- "jni-sys",
- "log",
- "thiserror",
- "walkdir",
-]
-
-[[package]]
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-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "068b1ee6743e4d11fb9c6a1e6064b3693a1b600e7f5f5988047d98b3dc9fb90b"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "js-sys"
 version = "0.3.60"
@@ -1302,18 +788,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "keccak"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9b7d56ba4a8344d6be9729995e6b06f928af29998cdf79fe390cbf6b1fee838"
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4345964bb142484797b161f473a503a434de77149dd8c7427788c6e13379388"
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -1335,34 +809,6 @@ dependencies = [
  "cc",
 ]
 
-[[package]]
-name = "local-channel"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f303ec0e94c6c54447f84f3b0ef7af769858a9c4ef56ef2a986d3dcd4c3fc9c"
-dependencies = [
- "futures-core",
- "futures-sink",
- "futures-util",
- "local-waker",
-]
-
-[[package]]
-name = "local-waker"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e34f76eb3611940e0e7d53a9aaa4e6a3151f69541a282fd0dad5571420c53ff1"
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
-dependencies = [
- "autocfg",
- "scopeguard",
-]
-
 [[package]]
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@@ -1372,15 +818,6 @@ dependencies = [
  "cfg-if",
 ]
 
-[[package]]
-name = "malloc_buf"
-version = "0.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb907fe88d54d8d9ce32a3cceab4218ed2f6b7d35617cafe9adf84e43919cb"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "matrixmultiply"
 version = "0.3.2"
@@ -1462,15 +899,31 @@ dependencies = [
 ]
 
 [[package]]
-name = "mio"
-version = "0.8.4"
+name = "minreq"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57ee1c23c7c63b0c9250c339ffdc69255f110b298b901b9f6c82547b7b87caaf"
+checksum = "4c785bc6027fd359756e538541c8624012ba3776d3d3fe123885643092ed4132"
 dependencies = [
- "libc",
  "log",
- "wasi 0.11.0+wasi-snapshot-preview1",
- "windows-sys",
+ "native-tls",
+]
+
+[[package]]
+name = "multipart"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00dec633863867f29cb39df64a397cdf4a6354708ddd7759f70c7fb51c5f9182"
+dependencies = [
+ "buf_redux",
+ "httparse",
+ "log",
+ "mime",
+ "mime_guess",
+ "quick-error",
+ "rand",
+ "safemem",
+ "tempfile",
+ "twoway",
 ]
 
 [[package]]
@@ -1518,64 +971,6 @@ dependencies = [
  "tempfile",
 ]
 
-[[package]]
-name = "ndk"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "451422b7e4718271c8b5b3aadf5adedba43dc76312454b387e98fae0fc951aa0"
-dependencies = [
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- "jni-sys",
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- "num_enum",
- "raw-window-handle",
- "thiserror",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27b02d87554356db9e9a873add8782d4ea6e3e58ea071a9adb9a2e8ddb884a8b"
-
-[[package]]
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-checksum = "0434fabdd2c15e0aab768ca31d5b7b333717f03cf02037d5a0a3ff3c278ed67f"
-dependencies = [
- "libc",
- "log",
- "ndk",
- "ndk-context",
- "ndk-macro",
- "ndk-sys",
- "once_cell",
- "parking_lot",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "darling",
- "proc-macro-crate",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "jni-sys",
-]
-
 [[package]]
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 version = "0.4.2"
@@ -1619,31 +1014,10 @@ dependencies = [
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 version = "1.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1"
-dependencies = [
- "hermit-abi",
- "libc",
-]
-
-[[package]]
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-version = "0.5.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf5395665662ef45796a4ff5486c5d41d29e0c09640af4c5f17fd94ee2c119c9"
-dependencies = [
- "num_enum_derive",
-]
-
-[[package]]
-name = "num_enum_derive"
-version = "0.5.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b0498641e53dd6ac1a4f22547548caa6864cc4933784319cd1775271c5a46ce"
-dependencies = [
- "proc-macro-crate",
- "proc-macro2",
- "quote",
- "syn",
+checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1"
+dependencies = [
+ "hermit-abi",
+ "libc",
 ]
 
 [[package]]
@@ -1655,15 +1029,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "objc"
-version = "0.2.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "915b1b472bc21c53464d6c8461c9d3af805ba1ef837e1cac254428f4a77177b1"
-dependencies = [
- "malloc_buf",
-]
-
 [[package]]
 name = "object"
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@@ -1745,29 +1110,6 @@ version = "3.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
 
-[[package]]
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-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
-dependencies = [
- "lock_api",
- "parking_lot_core",
-]
-
-[[package]]
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-version = "0.9.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "cfg-if",
- "libc",
- "redox_syscall",
- "smallvec",
- "windows-sys",
-]
-
 [[package]]
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 version = "0.3.0"
@@ -1845,7 +1187,7 @@ checksum = "4c8717927f9b79515e565a64fe46c38b8cd0427e64c40680b14a7365ab09ac8d"
 dependencies = [
  "once_cell",
  "pest",
- "sha1",
+ "sha1 0.10.5",
 ]
 
 [[package]]
@@ -1887,18 +1229,6 @@ dependencies = [
  "uncased",
 ]
 
-[[package]]
-name = "pin-project-lite"
-version = "0.2.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
-
-[[package]]
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-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
-
 [[package]]
 name = "pkg-config"
 version = "0.3.25"
@@ -1921,17 +1251,6 @@ dependencies = [
  "indexmap",
 ]
 
-[[package]]
-name = "proc-macro-crate"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eda0fc3b0fb7c975631757e14d9049da17374063edb6ebbcbc54d880d4fe94e9"
-dependencies = [
- "once_cell",
- "thiserror",
- "toml",
-]
-
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -1965,6 +1284,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "quick-error"
+version = "1.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
+
 [[package]]
 name = "quote"
 version = "1.0.21"
@@ -2004,15 +1329,6 @@ dependencies = [
  "getrandom",
 ]
 
-[[package]]
-name = "raw-window-handle"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed7e3d950b66e19e0c372f3fa3fbbcf85b1746b571f74e0c2af6042a5c93420a"
-dependencies = [
- "cty",
-]
-
 [[package]]
 name = "rawpointer"
 version = "0.2.1"
@@ -2084,43 +1400,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "reqwest"
-version = "0.11.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "431949c384f4e2ae07605ccaa56d1d9d2ecdb5cadd4f9577ccfab29f2e5149fc"
-dependencies = [
- "base64",
- "bytes",
- "encoding_rs",
- "futures-core",
- "futures-util",
- "h2",
- "http",
- "http-body",
- "hyper",
- "hyper-tls",
- "ipnet",
- "js-sys",
- "log",
- "mime",
- "native-tls",
- "once_cell",
- "percent-encoding",
- "pin-project-lite",
- "serde",
- "serde_json",
- "serde_urlencoded",
- "tokio",
- "tokio-native-tls",
- "tower-service",
- "url",
- "wasm-bindgen",
- "wasm-bindgen-futures",
- "web-sys",
- "winreg",
-]
-
 [[package]]
 name = "rmp"
 version = "0.8.11"
@@ -2154,25 +1433,38 @@ dependencies = [
 ]
 
 [[package]]
-name = "rpassword"
-version = "7.0.0"
+name = "rouille"
+version = "3.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26b763cb66df1c928432cc35053f8bd4cec3335d8559fc16010017d16b3c1680"
+checksum = "18b2380c42510ef4a28b5f228a174c801e0dec590103e215e60812e2e2f34d05"
 dependencies = [
- "libc",
- "winapi",
+ "base64",
+ "brotli",
+ "chrono",
+ "deflate",
+ "filetime",
+ "multipart",
+ "num_cpus",
+ "percent-encoding",
+ "rand",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "sha1 0.6.1",
+ "threadpool",
+ "time 0.3.15",
+ "tiny_http",
+ "url",
 ]
 
 [[package]]
-name = "rust-argon2"
-version = "1.0.0"
+name = "rpassword"
+version = "7.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b50162d19404029c1ceca6f6980fe40d45c8b369f6f44446fa14bb39573b5bb9"
+checksum = "26b763cb66df1c928432cc35053f8bd4cec3335d8559fc16010017d16b3c1680"
 dependencies = [
- "base64",
- "blake2b_simd",
- "constant_time_eq",
- "crossbeam-utils",
+ "libc",
+ "winapi",
 ]
 
 [[package]]
@@ -2181,15 +1473,6 @@ version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
 
-[[package]]
-name = "rustc_version"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
-dependencies = [
- "semver",
-]
-
 [[package]]
 name = "ryu"
 version = "1.0.11"
@@ -2206,13 +1489,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "same-file"
-version = "1.0.6"
+name = "safemem"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
-dependencies = [
- "winapi-util",
-]
+checksum = "ef703b7cb59335eae2eb93ceb664c0eb7ea6bf567079d843e09420219668e072"
 
 [[package]]
 name = "schannel"
@@ -2259,12 +1539,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "semver"
-version = "1.0.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e25dfac463d778e353db5be2449d1cce89bd6fd23c9f1ea21310ce6e5a1b29c4"
-
 [[package]]
 name = "serde"
 version = "1.0.145"
@@ -2303,15 +1577,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "serde_urlencoded"
-version = "0.7.1"
+name = "sha1"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+checksum = "c1da05c97445caa12d05e848c4a4fcbbea29e748ac28f7e80e9b010392063770"
 dependencies = [
- "form_urlencoded",
- "itoa 1.0.4",
- "ryu",
- "serde",
+ "sha1_smol",
 ]
 
 [[package]]
@@ -2326,23 +1597,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "sha3"
-version = "0.10.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2904bea16a1ae962b483322a1c7b81d976029203aea1f461e51cd7705db7ba9"
-dependencies = [
- "digest",
- "keccak",
-]
-
-[[package]]
-name = "signal-hook-registry"
-version = "1.4.0"
+name = "sha1_smol"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51e73328dc4ac0c7ccbda3a494dfa03df1de2f46018127f60c693f2648455b0"
-dependencies = [
- "libc",
-]
+checksum = "ae1a47186c03a32177042e55dbc5fd5aee900b8e0069a8d70fba96a9375cd012"
 
 [[package]]
 name = "simba"
@@ -2363,15 +1621,6 @@ version = "0.3.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7bd3e3206899af3f8b12af284fafc038cc1dc2b41d1b89dd17297221c5d225de"
 
-[[package]]
-name = "slab"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4614a76b2a8be0058caa9dbbaf66d988527d86d003c11a94fbd335d7661edcef"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "smallvec"
 version = "1.10.0"
@@ -2399,16 +1648,6 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f67ad224767faa3c7d8b6d91985b78e70a1324408abcb1cfcc2be4c06bc06043"
 
-[[package]]
-name = "socket2"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02e2d2db9033d13a1567121ddd7a095ee144db4e1ca1b1bda3419bc0da294ebd"
-dependencies = [
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "static-files"
 version = "0.2.3"
@@ -2535,6 +1774,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "threadpool"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d050e60b33d41c19108b32cea32164033a9013fe3b46cbd4457559bfbf77afaa"
+dependencies = [
+ "num_cpus",
+]
+
 [[package]]
 name = "time"
 version = "0.1.44"
@@ -2552,17 +1800,22 @@ version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d634a985c4d4238ec39cacaed2e7ae552fbd3c476b552c1deac3021b7d7eaf0c"
 dependencies = [
- "itoa 1.0.4",
  "libc",
  "num_threads",
- "time-macros",
 ]
 
 [[package]]
-name = "time-macros"
-version = "0.2.4"
+name = "tiny_http"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42657b1a6f4d817cda8e7a0ace261fe0cc946cf3a80314390b22cc61ae080792"
+checksum = "9ce51b50006056f590c9b7c3808c3bd70f0d1101666629713866c227d6e58d39"
+dependencies = [
+ "ascii",
+ "chrono",
+ "chunked_transfer",
+ "log",
+ "url",
+]
 
 [[package]]
 name = "tinyvec"
@@ -2580,90 +1833,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
-name = "tokio"
-version = "1.21.2"
+name = "twoway"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9e03c497dc955702ba729190dc4aac6f2a0ce97f913e5b1b5912fc5039d9099"
+checksum = "59b11b2b5241ba34be09c3cc85a36e56e48f9888862e19cedf23336d35316ed1"
 dependencies = [
- "autocfg",
- "bytes",
- "libc",
  "memchr",
- "mio",
- "num_cpus",
- "parking_lot",
- "pin-project-lite",
- "signal-hook-registry",
- "socket2",
- "winapi",
-]
-
-[[package]]
-name = "tokio-native-tls"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7d995660bd2b7f8c1568414c1126076c13fbb725c40112dc0120b78eb9b717b"
-dependencies = [
- "native-tls",
- "tokio",
-]
-
-[[package]]
-name = "tokio-util"
-version = "0.7.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0bb2e075f03b3d66d8d8785356224ba688d2906a371015e225beeb65ca92c740"
-dependencies = [
- "bytes",
- "futures-core",
- "futures-sink",
- "pin-project-lite",
- "tokio",
- "tracing",
-]
-
-[[package]]
-name = "toml"
-version = "0.5.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "tower-service"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
-
-[[package]]
-name = "tracing"
-version = "0.1.37"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"
-dependencies = [
- "cfg-if",
- "log",
- "pin-project-lite",
- "tracing-core",
-]
-
-[[package]]
-name = "tracing-core"
-version = "0.1.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24eb03ba0eab1fd845050058ce5e616558e8f8d8fca633e6b163fe25c797213a"
-dependencies = [
- "once_cell",
 ]
 
-[[package]]
-name = "try-lock"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
-
 [[package]]
 name = "typenum"
 version = "1.15.0"
@@ -2765,27 +1942,6 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
-[[package]]
-name = "walkdir"
-version = "2.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
-dependencies = [
- "same-file",
- "winapi",
- "winapi-util",
-]
-
-[[package]]
-name = "want"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
-dependencies = [
- "log",
- "try-lock",
-]
-
 [[package]]
 name = "wasi"
 version = "0.10.0+wasi-snapshot-preview1"
@@ -2823,18 +1979,6 @@ dependencies = [
  "wasm-bindgen-shared",
 ]
 
-[[package]]
-name = "wasm-bindgen-futures"
-version = "0.4.33"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23639446165ca5a5de86ae1d8896b737ae80319560fbaa4c2887b7da6e7ebd7d"
-dependencies = [
- "cfg-if",
- "js-sys",
- "wasm-bindgen",
- "web-sys",
-]
-
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.83"
@@ -2864,32 +2008,6 @@ version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f"
 
-[[package]]
-name = "web-sys"
-version = "0.3.60"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcda906d8be16e728fd5adc5b729afad4e444e106ab28cd1c7256e54fa61510f"
-dependencies = [
- "js-sys",
- "wasm-bindgen",
-]
-
-[[package]]
-name = "webbrowser"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01d62aa75495ab67cdc273d0b95cc76bcedfea2ba28338a4cf9b4137949dfac5"
-dependencies = [
- "jni",
- "ndk-glue",
- "objc",
- "raw-window-handle",
- "url",
- "web-sys",
- "widestring",
- "winapi",
-]
-
 [[package]]
 name = "wide"
 version = "0.7.5"
@@ -2900,12 +2018,6 @@ dependencies = [
  "safe_arch",
 ]
 
-[[package]]
-name = "widestring"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "653f141f39ec16bba3c5abe400a0c60da7468261cc2cbf36805022876bc721a8"
-
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -2979,41 +2091,3 @@ name = "windows_x86_64_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
-
-[[package]]
-name = "winreg"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
-dependencies = [
- "winapi",
-]
-
-[[package]]
-name = "zstd"
-version = "0.11.2+zstd.1.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20cc960326ece64f010d2d2107537f26dc589a6573a316bd5b1dba685fa5fde4"
-dependencies = [
- "zstd-safe",
-]
-
-[[package]]
-name = "zstd-safe"
-version = "5.0.2+zstd.1.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d2a5585e04f9eea4b2a3d1eca508c4dee9592a89ef6f450c11719da0726f4db"
-dependencies = [
- "libc",
- "zstd-sys",
-]
-
-[[package]]
-name = "zstd-sys"
-version = "2.0.1+zstd.1.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fd07cbbc53846d9145dbffdf6dd09a7a0aa52be46741825f5c97bdd4f73f12b"
-dependencies = [
- "cc",
- "libc",
-]
diff --git a/Cargo.toml b/Cargo.toml
index be360641..5eafe8f2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,7 +37,7 @@ pest = "2.2.1"
 pest_derive = "2.2.1"
 rayon = "1.5.3"
 nalgebra = "0.31.1"
-reqwest = { version = "0.11.11", features = ["blocking"] }
+minreq = { version = "2.6.0", features = ["https-native"] }
 approx = "0.5.1"
 unicode-normalization = "0.1.21"
 thiserror = "1.0.34"
diff --git a/cozoserver/Cargo.toml b/cozoserver/Cargo.toml
index a671e82b..b240497e 100644
--- a/cozoserver/Cargo.toml
+++ b/cozoserver/Cargo.toml
@@ -7,21 +7,15 @@ license = "AGPL-3.0-or-later"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-actix-web = "4.1.0"
 clap = { version = "3.2.8", features = ["derive"] }
-actix-cors = "0.6.1"
 log = "0.4.16"
 miette = { version = "5.3.0", features = ["fancy"] }
 env_logger = "0.9.0"
 serde = "1.0.144"
 serde_json = "1.0.81"
 serde_derive = "1.0.144"
-rust-argon2 = "1.0.0"
-sha3 = "0.10.4"
-rand = "0.8.5"
 rpassword = "7.0.0"
-webbrowser = "0.8.0"
-futures = "0.3.24"
+rouille = "3.5.0"
 cozo = { path = ".." }
 
 [build-dependencies]
diff --git a/cozoserver/src/main.rs b/cozoserver/src/main.rs
index b0d1adf0..db81b54e 100644
--- a/cozoserver/src/main.rs
+++ b/cozoserver/src/main.rs
@@ -1,58 +1,14 @@
-use std::collections::{BTreeMap, HashMap};
-use std::env;
-use std::fmt::{Debug, Display, Formatter};
-use std::io::{stdin, stdout, Write};
-use std::str::from_utf8;
-use std::sync::{Arc, RwLock};
+use std::collections::BTreeMap;
+use std::fmt::Debug;
 use std::time::Instant;
 
-use actix_cors::Cors;
-use actix_web::{App, HttpRequest, HttpResponse, HttpServer, post, Responder, ResponseError, web};
-use actix_web::body::BoxBody;
-use actix_web::http::header::HeaderName;
-use actix_web::middleware::Logger;
-use actix_web::rt::task::spawn_blocking;
 use clap::Parser;
 use env_logger::Env;
-use log::debug;
-use miette::{bail, IntoDiagnostic, miette};
-use rand::Rng;
+use rouille::{router, try_or_400, Response};
 use serde_json::json;
-use sha3::Digest;
 
 use cozo::{Db, DbBuilder};
 
-type Result<T> = std::result::Result<T, RespError>;
-
-struct RespError {
-    err: miette::Error,
-}
-
-impl Debug for RespError {
-    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{:?}", self.err)
-    }
-}
-
-impl Display for RespError {
-    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{}", self.err)
-    }
-}
-
-impl From<cozo::Error> for RespError {
-    fn from(err: cozo::Error) -> RespError {
-        RespError { err }
-    }
-}
-
-impl ResponseError for RespError {
-    fn error_response(&self) -> HttpResponse<BoxBody> {
-        let formatted = format!("{:?}", self.err);
-        HttpResponse::BadRequest().body(formatted)
-    }
-}
-
 #[derive(Parser, Debug)]
 #[clap(version, about, long_about = None)]
 struct Args {
@@ -69,180 +25,7 @@ struct Args {
     port: u16,
 }
 
-struct AppStateWithDb {
-    db: Db,
-    pass_cache: Arc<RwLock<HashMap<String, Box<[u8]>>>>,
-    seed: Box<[u8]>,
-}
-
-const PASSWORD_KEY: &str = "WEB_USER_PASSWORD";
-
-impl AppStateWithDb {
-    async fn verify_password(&self, req: &HttpRequest) -> miette::Result<()> {
-        let username = req
-            .headers()
-            .get(&HeaderName::from_static("x-cozo-username"))
-            .ok_or_else(|| miette!("not authenticated"))?
-            .to_str()
-            .into_diagnostic()?;
-        let password = req
-            .headers()
-            .get(&HeaderName::from_static("x-cozo-password"))
-            .ok_or_else(|| miette!("not authenticated"))?
-            .to_str()
-            .into_diagnostic()?;
-        let existing = self.pass_cache.try_read().map_err(|e| miette!(e.to_string()))?.get(username).cloned();
-        if let Some(stored) = existing {
-            let mut seed = self.seed.to_vec();
-            seed.extend_from_slice(password.as_bytes());
-            let digest: &[u8] = &sha3::Sha3_256::digest(&seed);
-            if *stored == *digest {
-                return Ok(());
-            } else {
-                self.pass_cache.try_write().map_err(|e| miette!(e.to_string()))?.remove(username);
-                bail!("invalid password")
-            }
-        }
-        let pass_cache = self.pass_cache.clone();
-        let mut seed = self.seed.to_vec();
-        let db = self.db.new_session()?;
-        let password = password.to_string();
-        let username = username.to_string();
-        spawn_blocking(move || -> miette::Result<()> {
-            if let Some(hashed) = db.get_meta_kv(&[PASSWORD_KEY, &username])? {
-                let hashed = from_utf8(&hashed).into_diagnostic()?;
-                if argon2::verify_encoded(&hashed, password.as_bytes()).into_diagnostic()? {
-                    seed.extend_from_slice(password.as_bytes());
-                    let easy_digest: &[u8] = &sha3::Sha3_256::digest(&seed);
-                    pass_cache
-                        .try_write().map_err(|e| miette!(e.to_string()))?
-                        .insert(username, easy_digest.into());
-                    return Ok(());
-                }
-            }
-            bail!("invalid password")
-        })
-            .await
-            .into_diagnostic()?
-    }
-
-    async fn reset_password(&self, user: &str, new_pass: &str) -> miette::Result<()> {
-        let pass_cache = self.pass_cache.clone();
-        let db = self.db.new_session()?;
-        let username = user.to_string();
-        let new_pass = new_pass.to_string();
-        spawn_blocking(move || -> miette::Result<()> {
-            pass_cache.try_write().map_err(|e| miette!(e.to_string()))?.remove(&username);
-            let salt = rand::thread_rng().gen::<[u8; 32]>();
-            let config = argon2config();
-            let hash =
-                argon2::hash_encoded(new_pass.as_bytes(), &salt, &config).into_diagnostic()?;
-            db.put_meta_kv(&[PASSWORD_KEY, &username], hash.as_bytes())?;
-            Ok(())
-        })
-            .await
-            .into_diagnostic()?
-    }
-
-    async fn remove_user(&self, user: &str) -> miette::Result<()> {
-        self.pass_cache.try_write().map_err(|e| miette!(e.to_string()))?.remove(user);
-        self.db.remove_meta_kv(&[PASSWORD_KEY, &user])?;
-        Ok(())
-    }
-}
-
-fn argon2config() -> argon2::Config<'static> {
-    argon2::Config {
-        variant: argon2::Variant::Argon2id,
-        mem_cost: 65536,
-        time_cost: 10,
-        ..argon2::Config::default()
-    }
-}
-
-#[derive(serde_derive::Serialize, serde_derive::Deserialize)]
-struct QueryPayload {
-    script: String,
-    params: BTreeMap<String, serde_json::Value>,
-}
-
-#[post("/text-query")]
-async fn query(
-    body: web::Json<QueryPayload>,
-    data: web::Data<AppStateWithDb>,
-    req: HttpRequest,
-) -> Result<impl Responder> {
-    data.verify_password(&req).await?;
-    let db = data.db.new_session()?;
-    let start = Instant::now();
-    let task = spawn_blocking(move || db.run_script(&body.script, &body.params));
-    let mut result = task.await.map_err(|e| miette!(e))??;
-    if let Some(obj) = result.as_object_mut() {
-        obj.insert(
-            "time_taken".to_string(),
-            json!(start.elapsed().as_millis() as u64),
-        );
-    }
-    Ok(HttpResponse::Ok().json(result))
-}
-
-#[derive(serde_derive::Serialize, serde_derive::Deserialize)]
-struct ChangePassPayload {
-    new_pass: String,
-}
-
-#[post("/change-password")]
-async fn change_password(
-    body: web::Json<ChangePassPayload>,
-    data: web::Data<AppStateWithDb>,
-    req: HttpRequest,
-) -> Result<impl Responder> {
-    data.verify_password(&req).await?;
-    let username = req
-        .headers()
-        .get(&HeaderName::from_static("x-cozo-username"))
-        .ok_or_else(|| miette!("not authenticated"))?
-        .to_str()
-        .map_err(|e| miette!(e))?;
-    data.reset_password(username, &body.new_pass).await?;
-    Ok(HttpResponse::Ok().json(json!({"status": "OK"})))
-}
-
-#[derive(serde_derive::Serialize, serde_derive::Deserialize)]
-struct AssertUserPayload {
-    username: String,
-    new_pass: String,
-}
-
-#[post("/assert-user")]
-async fn assert_user(
-    body: web::Json<AssertUserPayload>,
-    data: web::Data<AppStateWithDb>,
-    req: HttpRequest,
-) -> Result<impl Responder> {
-    data.verify_password(&req).await?;
-    data.reset_password(&body.username, &body.new_pass).await?;
-    Ok(HttpResponse::Ok().json(json!({"status": "OK"})))
-}
-
-#[derive(serde_derive::Serialize, serde_derive::Deserialize)]
-struct RemoveUserPayload {
-    username: String,
-}
-
-#[post("/remove-user")]
-async fn remove_user(
-    body: web::Json<RemoveUserPayload>,
-    data: web::Data<AppStateWithDb>,
-    req: HttpRequest,
-) -> Result<impl Responder> {
-    data.verify_password(&req).await?;
-    data.remove_user(&body.username).await?;
-    Ok(HttpResponse::Ok().json(json!({"status": "OK"})))
-}
-
-#[actix_web::main]
-async fn main() -> std::io::Result<()> {
+fn main() {
     env_logger::Builder::from_env(Env::default().default_filter_or("info")).init();
     let args = Args::parse();
 
@@ -251,78 +34,34 @@ async fn main() -> std::io::Result<()> {
         .create_if_missing(true);
     let db = Db::build(builder).unwrap();
 
+    let addr = format!("{}:{}", args.bind, args.port);
+    println!("Service running at http://{}", addr);
+    rouille::start_server(addr, move |request| {
+        router!(request,
+            (POST) (/text-query) => {
+                #[derive(serde_derive::Serialize, serde_derive::Deserialize)]
+                struct QueryPayload {
+                    script: String,
+                    params: BTreeMap<String, serde_json::Value>,
+                }
 
-    match db.meta_range_scan(&[PASSWORD_KEY]).next() {
-        None => {
-            let (username, password) = match (
-                env::var("COZO_INITIAL_WEB_USERNAME"),
-                env::var("COZO_INITIAL_WEB_PASSWORD"),
-            ) {
-                (Ok(username), Ok(password)) => (username, password),
-                _ => {
-                    println!("Welcome to Cozo!");
-                    println!();
-                    println!(
-                        "This is the first time you are running this database at {},",
-                        args.path
-                    );
-                    println!("so let's create a username and password.");
-
-                    loop {
-                        println!();
-                        print!("Enter a username: ");
-
-                        let _ = stdout().flush();
-                        let mut username = String::new();
-                        stdin().read_line(&mut username).unwrap();
-                        let username = username.trim().to_string();
-                        if username.is_empty() {
-                            continue;
-                        }
-                        let password = rpassword::prompt_password("Enter your password: ").unwrap();
-                        let confpass = rpassword::prompt_password("Again to confirm it: ").unwrap();
+                let payload: QueryPayload = try_or_400!(rouille::input::json_input(request));
+                let start = Instant::now();
 
-                        if password.trim() != confpass.trim() {
-                            println!("Password mismatch. Try again.");
-                            continue;
+                match db.run_script(&payload.script, &payload.params) {
+                    Ok(mut result) => {
+                        if let Some(obj) = result.as_object_mut() {
+                            obj.insert(
+                                "time_taken".to_string(),
+                                json!(start.elapsed().as_millis() as u64),
+                            );
                         }
-                        break (username, password.trim().to_string());
+                        Response::json(&result)
                     }
+                    Err(e) => Response::text(format!("{:?}", e)).with_status_code(400),
                 }
-            };
-
-            let salt = rand::thread_rng().gen::<[u8; 32]>();
-            let config = argon2config();
-            let hash = argon2::hash_encoded(password.trim().as_bytes(), &salt, &config).unwrap();
-            db.put_meta_kv(&[PASSWORD_KEY, &username], hash.as_bytes())
-                .unwrap();
-        }
-        Some(Err(err)) => panic!("{}", err),
-        Some(Ok((user, _))) => {
-            debug!("User {:?}", user[1]);
-        }
-    }
-
-    let app_state = web::Data::new(AppStateWithDb {
-        db,
-        pass_cache: Arc::new(Default::default()),
-        seed: Box::new(rand::thread_rng().gen::<[u8; 32]>()),
+            },
+            _ => Response::empty_404()
+        )
     });
-
-    let addr = (&args.bind as &str, args.port);
-    println!("Service running at http://{}:{}", addr.0, addr.1);
-
-    HttpServer::new(move || {
-        App::new()
-            .app_data(app_state.clone())
-            .wrap(Cors::permissive())
-            .wrap(Logger::default())
-            .service(query)
-            .service(change_password)
-            .service(assert_user)
-            .service(remove_user)
-    })
-        .bind(addr)?
-        .run()
-        .await
-}
\ No newline at end of file
+}
diff --git a/src/algo/csv.rs b/src/algo/csv.rs
index 10282e0b..c89d8a3e 100644
--- a/src/algo/csv.rs
+++ b/src/algo/csv.rs
@@ -118,16 +118,16 @@ impl AlgoImpl for CsvReader {
                                 }
                             }),
                             ColType::Int => {
-                                let f =  op_to_float(&[dv]).unwrap_or(DataValue::Null);
+                                let f = op_to_float(&[dv]).unwrap_or(DataValue::Null);
                                 match f.get_int() {
-                                    None => {if typ.nullable {
-                                        out_tuple.0.push(DataValue::Null)
-                                    } else {
-                                        bail!("cannot convert {} to type {}", s, typ)
-                                    }}
-                                    Some(i) => {
-                                        out_tuple.0.push(DataValue::from(i))
+                                    None => {
+                                        if typ.nullable {
+                                            out_tuple.0.push(DataValue::Null)
+                                        } else {
+                                            bail!("cannot convert {} to type {}", s, typ)
+                                        }
                                     }
+                                    Some(i) => out_tuple.0.push(DataValue::from(i)),
                                 };
                             }
                             _ => bail!("cannot convert {} to type {}", s, typ),
@@ -149,9 +149,8 @@ impl AlgoImpl for CsvReader {
                 }
             }
             None => {
-                let content = reqwest::blocking::get(&url as &str)
-                    .into_diagnostic()?
-                    .text()
+                let content = minreq::get(&url as &str)
+                    .send()
                     .into_diagnostic()?;
                 let mut rdr = rdr_builder.from_reader(content.as_bytes());
                 for record in rdr.records() {
diff --git a/src/algo/jlines.rs b/src/algo/jlines.rs
index 00b1d301..0cda66e2 100644
--- a/src/algo/jlines.rs
+++ b/src/algo/jlines.rs
@@ -98,10 +98,8 @@ impl AlgoImpl for JsonReader {
                 }
             }
             None => {
-                let content = reqwest::blocking::get(&url as &str)
-                    .into_diagnostic()?
-                    .text()
-                    .into_diagnostic()?;
+                let content = minreq::get(&url as &str).send().into_diagnostic()?;
+                let content = content.as_str().into_diagnostic()?;
                 if json_lines {
                     for line in content.lines() {
                         let line = line.trim();
diff --git a/src/runtime/db.rs b/src/runtime/db.rs
index 03a97f53..9df8b038 100644
--- a/src/runtime/db.rs
+++ b/src/runtime/db.rs
@@ -14,13 +14,13 @@ use serde_json::json;
 use smartstring::SmartString;
 use thiserror::Error;
 
-use cozorocks::{DbBuilder, DbIter, RocksDb};
+use cozorocks::{DbBuilder, RocksDb};
 
 use crate::data::json::JsonValue;
 use crate::data::program::{InputProgram, QueryAssertion, RelationOp};
 use crate::data::symb::Symbol;
 use crate::data::tuple::{
-    compare_tuple_keys, rusty_scratch_cmp, EncodedTuple, Tuple, SCRATCH_DB_KEY_PREFIX_LEN,
+    compare_tuple_keys, rusty_scratch_cmp, Tuple, SCRATCH_DB_KEY_PREFIX_LEN,
 };
 use crate::data::value::{DataValue, LARGEST_UTF_CHAR};
 use crate::parse::sys::SysOp;
@@ -32,7 +32,6 @@ use crate::query::relation::{
 };
 use crate::runtime::relation::{RelationHandle, RelationId};
 use crate::runtime::transact::SessionTx;
-use crate::utils::swap_option_result;
 
 struct RunningQueryHandle {
     started_at: f64,
@@ -668,113 +667,6 @@ impl Db {
             .collect_vec();
         Ok(json!({"rows": res, "headers": ["id", "started_at"]}))
     }
-    pub fn put_meta_kv(&self, k: &[&str], v: &[u8]) -> Result<()> {
-        let mut ks = vec![DataValue::Guard];
-        for el in k {
-            ks.push(DataValue::Str(SmartString::from(*el)));
-        }
-        let key = Tuple(ks).encode_as_key(RelationId::SYSTEM);
-        let mut vtx = self.db.transact().start();
-        vtx.put(&key, v)?;
-        vtx.commit()?;
-        Ok(())
-    }
-    pub fn remove_meta_kv(&self, k: &[&str]) -> Result<()> {
-        let mut ks = vec![DataValue::Guard];
-        for el in k {
-            ks.push(DataValue::Str(SmartString::from(*el)));
-        }
-        let key = Tuple(ks).encode_as_key(RelationId::SYSTEM);
-        let mut vtx = self.db.transact().start();
-        vtx.del(&key)?;
-        vtx.commit()?;
-        Ok(())
-    }
-    pub fn get_meta_kv(&self, k: &[&str]) -> Result<Option<Vec<u8>>> {
-        let mut ks = vec![DataValue::Guard];
-        for el in k {
-            ks.push(DataValue::Str(SmartString::from(*el)));
-        }
-        let key = Tuple(ks).encode_as_key(RelationId::SYSTEM);
-        let vtx = self.db.transact().start();
-        Ok(vtx.get(&key, false)?.map(|slice| slice.to_vec()))
-    }
-    pub fn meta_range_scan(
-        &self,
-        prefix: &[&str],
-    ) -> impl Iterator<Item = Result<(Vec<String>, Vec<u8>)>> {
-        let mut lower_bound = Tuple(vec![DataValue::Guard]);
-        for p in prefix {
-            lower_bound.0.push(DataValue::Str(SmartString::from(*p)));
-        }
-        let upper_data_bound = Tuple(vec![DataValue::Bot]);
-        let upper_bound = upper_data_bound.encode_as_key(RelationId::SYSTEM);
-        let mut it = self
-            .db
-            .transact()
-            .start()
-            .iterator()
-            .upper_bound(&upper_bound)
-            .start();
-        it.seek(&lower_bound.encode_as_key(RelationId::SYSTEM));
-
-        struct CustomIter {
-            it: DbIter,
-            started: bool,
-            upper_bound: Vec<u8>,
-        }
-
-        impl CustomIter {
-            fn next_inner(&mut self) -> Result<Option<(Vec<String>, Vec<u8>)>> {
-                if self.started {
-                    self.it.next()
-                } else {
-                    self.started = true;
-                }
-                match self.it.pair()? {
-                    None => Ok(None),
-                    Some((k_slice, v_slice)) => {
-                        if compare_tuple_keys(&self.upper_bound, k_slice) != Greater {
-                            return Ok(None);
-                        }
-
-                        #[derive(Debug, Error, Diagnostic)]
-                        #[error("Encountered corrupt key in meta store")]
-                        #[diagnostic(code(db::corrupt_meta_key))]
-                        #[diagnostic(help("This is an internal error. Please file a bug."))]
-                        struct CorruptKeyInMetaStoreError;
-
-                        let encoded = EncodedTuple(k_slice).decode();
-                        let ks: Vec<_> = encoded
-                            .0
-                            .into_iter()
-                            .skip(1)
-                            .map(|v| {
-                                v.get_string()
-                                    .map(|s| s.to_string())
-                                    .ok_or(CorruptKeyInMetaStoreError)
-                            })
-                            .try_collect()?;
-                        Ok(Some((ks, v_slice.to_vec())))
-                    }
-                }
-            }
-        }
-
-        impl Iterator for CustomIter {
-            type Item = Result<(Vec<String>, Vec<u8>)>;
-
-            fn next(&mut self) -> Option<Self::Item> {
-                swap_option_result(self.next_inner())
-            }
-        }
-
-        CustomIter {
-            it,
-            started: false,
-            upper_bound,
-        }
-    }
     pub fn list_relation(&self, name: &str) -> Result<JsonValue> {
         let tx = self.transact()?;
         let handle = tx.get_relation(name, false)?;
diff --git a/tutorial/0-getting-started.ipynb b/tutorial/0-getting-started.ipynb
index 759c13a2..d7f19b63 100644
--- a/tutorial/0-getting-started.ipynb
+++ b/tutorial/0-getting-started.ipynb
@@ -106,8 +106,7 @@
    "id": "81436147-dd67-4f0e-a9c0-d6c18c37495c",
    "metadata": {},
    "source": [
-    "%reload_ext pycozo.ipyext_direct\n",
-    "%cozo_auth YOUR_USERNAME"
+    "%reload_ext pycozo.ipyext_direct"
    ]
   },
   {
diff --git a/tutorial/1-acrobatics.ipynb b/tutorial/1-acrobatics.ipynb
index 63561ed1..af5b3459 100644
--- a/tutorial/1-acrobatics.ipynb
+++ b/tutorial/1-acrobatics.ipynb
@@ -9,12 +9,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
-    "%reload_ext pycozo.ipyext_direct\n",
-    "%cozo_auth tutorial *******"
+    "%reload_ext pycozo.ipyext_direct"
    ]
   },
   {
@@ -35,13 +34,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 0ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 1 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -54,34 +53,34 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_8f538_row0_col0, #T_8f538_row0_col1, #T_8f538_row0_col2 {\n",
+       "#T_f3564_row0_col0, #T_f3564_row0_col1, #T_f3564_row0_col2 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_8f538\">\n",
+       "<table id=\"T_f3564\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_8f538_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
-       "      <th id=\"T_8f538_level0_col1\" class=\"col_heading level0 col1\" >b</th>\n",
-       "      <th id=\"T_8f538_level0_col2\" class=\"col_heading level0 col2\" >c</th>\n",
+       "      <th id=\"T_f3564_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
+       "      <th id=\"T_f3564_level0_col1\" class=\"col_heading level0 col1\" >b</th>\n",
+       "      <th id=\"T_f3564_level0_col2\" class=\"col_heading level0 col2\" >c</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_8f538_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_8f538_row0_col0\" class=\"data row0 col0\" >hello</td>\n",
-       "      <td id=\"T_8f538_row0_col1\" class=\"data row0 col1\" >world</td>\n",
-       "      <td id=\"T_8f538_row0_col2\" class=\"data row0 col2\" >Cozo!</td>\n",
+       "      <th id=\"T_f3564_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_f3564_row0_col0\" class=\"data row0 col0\" >hello</td>\n",
+       "      <td id=\"T_f3564_row0_col1\" class=\"data row0 col1\" >world</td>\n",
+       "      <td id=\"T_f3564_row0_col2\" class=\"data row0 col2\" >Cozo!</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fe1a29d0e80>"
+       "<pandas.io.formats.style.Styler at 0x10338c280>"
       ]
      },
-     "execution_count": 2,
+     "execution_count": 3,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -105,13 +104,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -124,40 +123,40 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_c9d7d_row0_col0, #T_c9d7d_row0_col1, #T_c9d7d_row0_col2, #T_c9d7d_row1_col0, #T_c9d7d_row1_col1, #T_c9d7d_row1_col2 {\n",
+       "#T_625f4_row0_col0, #T_625f4_row0_col1, #T_625f4_row0_col2, #T_625f4_row1_col0, #T_625f4_row1_col1, #T_625f4_row1_col2 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_c9d7d\">\n",
+       "<table id=\"T_625f4\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_c9d7d_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
-       "      <th id=\"T_c9d7d_level0_col1\" class=\"col_heading level0 col1\" >b</th>\n",
-       "      <th id=\"T_c9d7d_level0_col2\" class=\"col_heading level0 col2\" >c</th>\n",
+       "      <th id=\"T_625f4_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
+       "      <th id=\"T_625f4_level0_col1\" class=\"col_heading level0 col1\" >b</th>\n",
+       "      <th id=\"T_625f4_level0_col2\" class=\"col_heading level0 col2\" >c</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_c9d7d_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_c9d7d_row0_col0\" class=\"data row0 col0\" >hello</td>\n",
-       "      <td id=\"T_c9d7d_row0_col1\" class=\"data row0 col1\" >world</td>\n",
-       "      <td id=\"T_c9d7d_row0_col2\" class=\"data row0 col2\" >Cozo!</td>\n",
+       "      <th id=\"T_625f4_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_625f4_row0_col0\" class=\"data row0 col0\" >hello</td>\n",
+       "      <td id=\"T_625f4_row0_col1\" class=\"data row0 col1\" >world</td>\n",
+       "      <td id=\"T_625f4_row0_col2\" class=\"data row0 col2\" >Cozo!</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_c9d7d_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_c9d7d_row1_col0\" class=\"data row1 col0\" >hello</td>\n",
-       "      <td id=\"T_c9d7d_row1_col1\" class=\"data row1 col1\" >world</td>\n",
-       "      <td id=\"T_c9d7d_row1_col2\" class=\"data row1 col2\" >database!</td>\n",
+       "      <th id=\"T_625f4_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_625f4_row1_col0\" class=\"data row1 col0\" >hello</td>\n",
+       "      <td id=\"T_625f4_row1_col1\" class=\"data row1 col1\" >world</td>\n",
+       "      <td id=\"T_625f4_row1_col2\" class=\"data row1 col2\" >database!</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe5c39210>"
+       "<pandas.io.formats.style.Styler at 0x10338fdf0>"
       ]
      },
-     "execution_count": 3,
+     "execution_count": 4,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -176,13 +175,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 0ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -195,38 +194,38 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_e473c_row0_col0, #T_e473c_row1_col0, #T_e473c_row2_col0 {\n",
+       "#T_2d238_row0_col0, #T_2d238_row1_col0, #T_2d238_row2_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_e473c\">\n",
+       "<table id=\"T_2d238\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_e473c_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
+       "      <th id=\"T_2d238_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_e473c_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_e473c_row0_col0\" class=\"data row0 col0\" >Cozo!</td>\n",
+       "      <th id=\"T_2d238_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_2d238_row0_col0\" class=\"data row0 col0\" >Cozo!</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_e473c_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_e473c_row1_col0\" class=\"data row1 col0\" >hello</td>\n",
+       "      <th id=\"T_2d238_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_2d238_row1_col0\" class=\"data row1 col0\" >hello</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_e473c_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
-       "      <td id=\"T_e473c_row2_col0\" class=\"data row2 col0\" >world</td>\n",
+       "      <th id=\"T_2d238_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
+       "      <td id=\"T_2d238_row2_col0\" class=\"data row2 col0\" >world</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fe1a29d1f60>"
+       "<pandas.io.formats.style.Styler at 0x110b44730>"
       ]
      },
-     "execution_count": 4,
+     "execution_count": 5,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -246,13 +245,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 0ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -265,42 +264,42 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_7e548_row0_col0, #T_7e548_row1_col0, #T_7e548_row2_col0, #T_7e548_row3_col0 {\n",
+       "#T_79f6a_row0_col0, #T_79f6a_row1_col0, #T_79f6a_row2_col0, #T_79f6a_row3_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_7e548\">\n",
+       "<table id=\"T_79f6a\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_7e548_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
+       "      <th id=\"T_79f6a_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_7e548_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_7e548_row0_col0\" class=\"data row0 col0\" >Cozo!</td>\n",
+       "      <th id=\"T_79f6a_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_79f6a_row0_col0\" class=\"data row0 col0\" >Cozo!</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_7e548_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_7e548_row1_col0\" class=\"data row1 col0\" >Cozo.</td>\n",
+       "      <th id=\"T_79f6a_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_79f6a_row1_col0\" class=\"data row1 col0\" >Cozo.</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_7e548_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
-       "      <td id=\"T_7e548_row2_col0\" class=\"data row2 col0\" >hello</td>\n",
+       "      <th id=\"T_79f6a_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
+       "      <td id=\"T_79f6a_row2_col0\" class=\"data row2 col0\" >hello</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_7e548_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
-       "      <td id=\"T_7e548_row3_col0\" class=\"data row3 col0\" >world</td>\n",
+       "      <th id=\"T_79f6a_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
+       "      <td id=\"T_79f6a_row3_col0\" class=\"data row3 col0\" >world</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe587a3b0>"
+       "<pandas.io.formats.style.Styler at 0x10338feb0>"
       ]
      },
-     "execution_count": 5,
+     "execution_count": 6,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -334,13 +333,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 7,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 2ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -353,76 +352,76 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_877bf_row0_col0, #T_877bf_row10_col0 {\n",
+       "#T_29547_row0_col0, #T_29547_row10_col0 {\n",
        "  color: #bf5b3d;\n",
        "}\n",
-       "#T_877bf_row1_col0, #T_877bf_row2_col0, #T_877bf_row3_col0, #T_877bf_row4_col0, #T_877bf_row5_col0, #T_877bf_row6_col0 {\n",
+       "#T_29547_row1_col0, #T_29547_row2_col0, #T_29547_row3_col0, #T_29547_row4_col0, #T_29547_row5_col0, #T_29547_row6_col0 {\n",
        "  color: #307fc1;\n",
        "}\n",
-       "#T_877bf_row7_col0, #T_877bf_row8_col0, #T_877bf_row9_col0 {\n",
+       "#T_29547_row7_col0, #T_29547_row8_col0, #T_29547_row9_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_877bf\">\n",
+       "<table id=\"T_29547\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_877bf_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
+       "      <th id=\"T_29547_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_877bf_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_877bf_row0_col0\" class=\"data row0 col0\" >None</td>\n",
+       "      <th id=\"T_29547_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_29547_row0_col0\" class=\"data row0 col0\" >None</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_877bf_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_877bf_row1_col0\" class=\"data row1 col0\" >False</td>\n",
+       "      <th id=\"T_29547_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_29547_row1_col0\" class=\"data row1 col0\" >False</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_877bf_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
-       "      <td id=\"T_877bf_row2_col0\" class=\"data row2 col0\" >True</td>\n",
+       "      <th id=\"T_29547_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
+       "      <td id=\"T_29547_row2_col0\" class=\"data row2 col0\" >True</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_877bf_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
-       "      <td id=\"T_877bf_row3_col0\" class=\"data row3 col0\" >-0.000000</td>\n",
+       "      <th id=\"T_29547_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
+       "      <td id=\"T_29547_row3_col0\" class=\"data row3 col0\" >-0.000000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_877bf_level0_row4\" class=\"row_heading level0 row4\" >4</th>\n",
-       "      <td id=\"T_877bf_row4_col0\" class=\"data row4 col0\" >1.000000</td>\n",
+       "      <th id=\"T_29547_level0_row4\" class=\"row_heading level0 row4\" >4</th>\n",
+       "      <td id=\"T_29547_row4_col0\" class=\"data row4 col0\" >1.000000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_877bf_level0_row5\" class=\"row_heading level0 row5\" >5</th>\n",
-       "      <td id=\"T_877bf_row5_col0\" class=\"data row5 col0\" >3.141590</td>\n",
+       "      <th id=\"T_29547_level0_row5\" class=\"row_heading level0 row5\" >5</th>\n",
+       "      <td id=\"T_29547_row5_col0\" class=\"data row5 col0\" >3.141590</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_877bf_level0_row6\" class=\"row_heading level0 row6\" >6</th>\n",
-       "      <td id=\"T_877bf_row6_col0\" class=\"data row6 col0\" >1234567</td>\n",
+       "      <th id=\"T_29547_level0_row6\" class=\"row_heading level0 row6\" >6</th>\n",
+       "      <td id=\"T_29547_row6_col0\" class=\"data row6 col0\" >1234567</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_877bf_level0_row7\" class=\"row_heading level0 row7\" >7</th>\n",
-       "      <td id=\"T_877bf_row7_col0\" class=\"data row7 col0\" >A</td>\n",
+       "      <th id=\"T_29547_level0_row7\" class=\"row_heading level0 row7\" >7</th>\n",
+       "      <td id=\"T_29547_row7_col0\" class=\"data row7 col0\" >A</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_877bf_level0_row8\" class=\"row_heading level0 row8\" >8</th>\n",
-       "      <td id=\"T_877bf_row8_col0\" class=\"data row8 col0\" >Apple juice</td>\n",
+       "      <th id=\"T_29547_level0_row8\" class=\"row_heading level0 row8\" >8</th>\n",
+       "      <td id=\"T_29547_row8_col0\" class=\"data row8 col0\" >Apple juice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_877bf_level0_row9\" class=\"row_heading level0 row9\" >9</th>\n",
-       "      <td id=\"T_877bf_row9_col0\" class=\"data row9 col0\" >apple</td>\n",
+       "      <th id=\"T_29547_level0_row9\" class=\"row_heading level0 row9\" >9</th>\n",
+       "      <td id=\"T_29547_row9_col0\" class=\"data row9 col0\" >apple</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_877bf_level0_row10\" class=\"row_heading level0 row10\" >10</th>\n",
-       "      <td id=\"T_877bf_row10_col0\" class=\"data row10 col0\" >['apple', 1, [2, 3]]</td>\n",
+       "      <th id=\"T_29547_level0_row10\" class=\"row_heading level0 row10\" >10</th>\n",
+       "      <td id=\"T_29547_row10_col0\" class=\"data row10 col0\" >['apple', 1, [2, 3]]</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fe1a29d1870>"
+       "<pandas.io.formats.style.Styler at 0x10338c910>"
       ]
      },
-     "execution_count": 6,
+     "execution_count": 7,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -452,13 +451,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 8,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 0ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -471,60 +470,60 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_5a9f4_row0_col0, #T_5a9f4_row0_col1, #T_5a9f4_row1_col0, #T_5a9f4_row1_col1, #T_5a9f4_row2_col0, #T_5a9f4_row2_col1, #T_5a9f4_row3_col0, #T_5a9f4_row3_col1, #T_5a9f4_row4_col0, #T_5a9f4_row5_col0, #T_5a9f4_row5_col1 {\n",
+       "#T_0c01c_row0_col0, #T_0c01c_row0_col1, #T_0c01c_row1_col0, #T_0c01c_row1_col1, #T_0c01c_row2_col0, #T_0c01c_row2_col1, #T_0c01c_row3_col0, #T_0c01c_row3_col1, #T_0c01c_row4_col0, #T_0c01c_row5_col0, #T_0c01c_row5_col1 {\n",
        "  color: #307fc1;\n",
        "}\n",
-       "#T_5a9f4_row4_col1 {\n",
+       "#T_0c01c_row4_col1 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_5a9f4\">\n",
+       "<table id=\"T_0c01c\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_5a9f4_level0_col0\" class=\"col_heading level0 col0\" >i</th>\n",
-       "      <th id=\"T_5a9f4_level0_col1\" class=\"col_heading level0 col1\" >a</th>\n",
+       "      <th id=\"T_0c01c_level0_col0\" class=\"col_heading level0 col0\" >i</th>\n",
+       "      <th id=\"T_0c01c_level0_col1\" class=\"col_heading level0 col1\" >a</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_5a9f4_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_5a9f4_row0_col0\" class=\"data row0 col0\" >1</td>\n",
-       "      <td id=\"T_5a9f4_row0_col1\" class=\"data row0 col1\" >3</td>\n",
+       "      <th id=\"T_0c01c_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_0c01c_row0_col0\" class=\"data row0 col0\" >1</td>\n",
+       "      <td id=\"T_0c01c_row0_col1\" class=\"data row0 col1\" >3</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_5a9f4_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_5a9f4_row1_col0\" class=\"data row1 col0\" >2</td>\n",
-       "      <td id=\"T_5a9f4_row1_col1\" class=\"data row1 col1\" >12</td>\n",
+       "      <th id=\"T_0c01c_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_0c01c_row1_col0\" class=\"data row1 col0\" >2</td>\n",
+       "      <td id=\"T_0c01c_row1_col1\" class=\"data row1 col1\" >12</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_5a9f4_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
-       "      <td id=\"T_5a9f4_row2_col0\" class=\"data row2 col0\" >3</td>\n",
-       "      <td id=\"T_5a9f4_row2_col1\" class=\"data row2 col1\" >0.833333</td>\n",
+       "      <th id=\"T_0c01c_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
+       "      <td id=\"T_0c01c_row2_col0\" class=\"data row2 col0\" >3</td>\n",
+       "      <td id=\"T_0c01c_row2_col1\" class=\"data row2 col1\" >0.833333</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_5a9f4_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
-       "      <td id=\"T_5a9f4_row3_col0\" class=\"data row3 col0\" >4</td>\n",
-       "      <td id=\"T_5a9f4_row3_col1\" class=\"data row3 col1\" >1096.633158</td>\n",
+       "      <th id=\"T_0c01c_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
+       "      <td id=\"T_0c01c_row3_col0\" class=\"data row3 col0\" >4</td>\n",
+       "      <td id=\"T_0c01c_row3_col1\" class=\"data row3 col1\" >1096.633158</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_5a9f4_level0_row4\" class=\"row_heading level0 row4\" >4</th>\n",
-       "      <td id=\"T_5a9f4_row4_col0\" class=\"data row4 col0\" >5</td>\n",
-       "      <td id=\"T_5a9f4_row4_col1\" class=\"data row4 col1\" >NUMBER 10</td>\n",
+       "      <th id=\"T_0c01c_level0_row4\" class=\"row_heading level0 row4\" >4</th>\n",
+       "      <td id=\"T_0c01c_row4_col0\" class=\"data row4 col0\" >5</td>\n",
+       "      <td id=\"T_0c01c_row4_col1\" class=\"data row4 col1\" >NUMBER 10</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_5a9f4_level0_row5\" class=\"row_heading level0 row5\" >5</th>\n",
-       "      <td id=\"T_5a9f4_row5_col0\" class=\"data row5 col0\" >6</td>\n",
-       "      <td id=\"T_5a9f4_row5_col1\" class=\"data row5 col1\" >3.141593</td>\n",
+       "      <th id=\"T_0c01c_level0_row5\" class=\"row_heading level0 row5\" >5</th>\n",
+       "      <td id=\"T_0c01c_row5_col0\" class=\"data row5 col0\" >6</td>\n",
+       "      <td id=\"T_0c01c_row5_col1\" class=\"data row5 col1\" >3.141593</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fe1a29d15a0>"
+       "<pandas.io.formats.style.Styler at 0x110b447c0>"
       ]
      },
-     "execution_count": 7,
+     "execution_count": 8,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -556,7 +555,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [
     {
@@ -572,7 +571,7 @@
        "\u001b[36m  help: \u001b[0m'negate' requires booleans\n"
       ]
      },
-     "execution_count": 8,
+     "execution_count": 9,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -590,13 +589,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 0ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -609,30 +608,30 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_8ee23_row0_col0 {\n",
+       "#T_607dd_row0_col0 {\n",
        "  color: #307fc1;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_8ee23\">\n",
+       "<table id=\"T_607dd\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_8ee23_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
+       "      <th id=\"T_607dd_level0_col0\" class=\"col_heading level0 col0\" >a</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_8ee23_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_8ee23_row0_col0\" class=\"data row0 col0\" >False</td>\n",
+       "      <th id=\"T_607dd_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_607dd_row0_col0\" class=\"data row0 col0\" >False</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe587b7c0>"
+       "<pandas.io.formats.style.Styler at 0x116f07af0>"
       ]
      },
-     "execution_count": 9,
+     "execution_count": 10,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -664,13 +663,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 11,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -683,67 +682,67 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_8a2ac_row0_col0, #T_8a2ac_row0_col1, #T_8a2ac_row1_col0, #T_8a2ac_row1_col1, #T_8a2ac_row2_col0, #T_8a2ac_row2_col1, #T_8a2ac_row3_col0, #T_8a2ac_row3_col1, #T_8a2ac_row4_col0, #T_8a2ac_row4_col1, #T_8a2ac_row5_col0, #T_8a2ac_row5_col1, #T_8a2ac_row6_col0, #T_8a2ac_row6_col1, #T_8a2ac_row7_col0, #T_8a2ac_row7_col1 {\n",
+       "#T_c721a_row0_col0, #T_c721a_row0_col1, #T_c721a_row1_col0, #T_c721a_row1_col1, #T_c721a_row2_col0, #T_c721a_row2_col1, #T_c721a_row3_col0, #T_c721a_row3_col1, #T_c721a_row4_col0, #T_c721a_row4_col1, #T_c721a_row5_col0, #T_c721a_row5_col1, #T_c721a_row6_col0, #T_c721a_row6_col1, #T_c721a_row7_col0, #T_c721a_row7_col1 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_8a2ac\">\n",
+       "<table id=\"T_c721a\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_8a2ac_level0_col0\" class=\"col_heading level0 col0\" >loving</th>\n",
-       "      <th id=\"T_8a2ac_level0_col1\" class=\"col_heading level0 col1\" >loved</th>\n",
+       "      <th id=\"T_c721a_level0_col0\" class=\"col_heading level0 col0\" >loving</th>\n",
+       "      <th id=\"T_c721a_level0_col1\" class=\"col_heading level0 col1\" >loved</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_8a2ac_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_8a2ac_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
-       "      <td id=\"T_8a2ac_row0_col1\" class=\"data row0 col1\" >eve</td>\n",
+       "      <th id=\"T_c721a_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_c721a_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
+       "      <td id=\"T_c721a_row0_col1\" class=\"data row0 col1\" >eve</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_8a2ac_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_8a2ac_row1_col0\" class=\"data row1 col0\" >bob</td>\n",
-       "      <td id=\"T_8a2ac_row1_col1\" class=\"data row1 col1\" >alice</td>\n",
+       "      <th id=\"T_c721a_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_c721a_row1_col0\" class=\"data row1 col0\" >bob</td>\n",
+       "      <td id=\"T_c721a_row1_col1\" class=\"data row1 col1\" >alice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_8a2ac_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
-       "      <td id=\"T_8a2ac_row2_col0\" class=\"data row2 col0\" >charlie</td>\n",
-       "      <td id=\"T_8a2ac_row2_col1\" class=\"data row2 col1\" >eve</td>\n",
+       "      <th id=\"T_c721a_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
+       "      <td id=\"T_c721a_row2_col0\" class=\"data row2 col0\" >charlie</td>\n",
+       "      <td id=\"T_c721a_row2_col1\" class=\"data row2 col1\" >eve</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_8a2ac_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
-       "      <td id=\"T_8a2ac_row3_col0\" class=\"data row3 col0\" >david</td>\n",
-       "      <td id=\"T_8a2ac_row3_col1\" class=\"data row3 col1\" >george</td>\n",
+       "      <th id=\"T_c721a_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
+       "      <td id=\"T_c721a_row3_col0\" class=\"data row3 col0\" >david</td>\n",
+       "      <td id=\"T_c721a_row3_col1\" class=\"data row3 col1\" >george</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_8a2ac_level0_row4\" class=\"row_heading level0 row4\" >4</th>\n",
-       "      <td id=\"T_8a2ac_row4_col0\" class=\"data row4 col0\" >eve</td>\n",
-       "      <td id=\"T_8a2ac_row4_col1\" class=\"data row4 col1\" >alice</td>\n",
+       "      <th id=\"T_c721a_level0_row4\" class=\"row_heading level0 row4\" >4</th>\n",
+       "      <td id=\"T_c721a_row4_col0\" class=\"data row4 col0\" >eve</td>\n",
+       "      <td id=\"T_c721a_row4_col1\" class=\"data row4 col1\" >alice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_8a2ac_level0_row5\" class=\"row_heading level0 row5\" >5</th>\n",
-       "      <td id=\"T_8a2ac_row5_col0\" class=\"data row5 col0\" >eve</td>\n",
-       "      <td id=\"T_8a2ac_row5_col1\" class=\"data row5 col1\" >bob</td>\n",
+       "      <th id=\"T_c721a_level0_row5\" class=\"row_heading level0 row5\" >5</th>\n",
+       "      <td id=\"T_c721a_row5_col0\" class=\"data row5 col0\" >eve</td>\n",
+       "      <td id=\"T_c721a_row5_col1\" class=\"data row5 col1\" >bob</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_8a2ac_level0_row6\" class=\"row_heading level0 row6\" >6</th>\n",
-       "      <td id=\"T_8a2ac_row6_col0\" class=\"data row6 col0\" >eve</td>\n",
-       "      <td id=\"T_8a2ac_row6_col1\" class=\"data row6 col1\" >charlie</td>\n",
+       "      <th id=\"T_c721a_level0_row6\" class=\"row_heading level0 row6\" >6</th>\n",
+       "      <td id=\"T_c721a_row6_col0\" class=\"data row6 col0\" >eve</td>\n",
+       "      <td id=\"T_c721a_row6_col1\" class=\"data row6 col1\" >charlie</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_8a2ac_level0_row7\" class=\"row_heading level0 row7\" >7</th>\n",
-       "      <td id=\"T_8a2ac_row7_col0\" class=\"data row7 col0\" >george</td>\n",
-       "      <td id=\"T_8a2ac_row7_col1\" class=\"data row7 col1\" >george</td>\n",
+       "      <th id=\"T_c721a_level0_row7\" class=\"row_heading level0 row7\" >7</th>\n",
+       "      <td id=\"T_c721a_row7_col0\" class=\"data row7 col0\" >george</td>\n",
+       "      <td id=\"T_c721a_row7_col1\" class=\"data row7 col1\" >george</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe587a7d0>"
+       "<pandas.io.formats.style.Styler at 0x10338c190>"
       ]
      },
-     "execution_count": 10,
+     "execution_count": 11,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -775,13 +774,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -794,38 +793,38 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_600a9_row0_col0, #T_600a9_row1_col0, #T_600a9_row2_col0 {\n",
+       "#T_3f63d_row0_col0, #T_3f63d_row1_col0, #T_3f63d_row2_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_600a9\">\n",
+       "<table id=\"T_3f63d\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_600a9_level0_col0\" class=\"col_heading level0 col0\" >loved_by_eve</th>\n",
+       "      <th id=\"T_3f63d_level0_col0\" class=\"col_heading level0 col0\" >loved_by_eve</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_600a9_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_600a9_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
+       "      <th id=\"T_3f63d_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_3f63d_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_600a9_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_600a9_row1_col0\" class=\"data row1 col0\" >bob</td>\n",
+       "      <th id=\"T_3f63d_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_3f63d_row1_col0\" class=\"data row1 col0\" >bob</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_600a9_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
-       "      <td id=\"T_600a9_row2_col0\" class=\"data row2 col0\" >charlie</td>\n",
+       "      <th id=\"T_3f63d_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
+       "      <td id=\"T_3f63d_row2_col0\" class=\"data row2 col0\" >charlie</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe587b250>"
+       "<pandas.io.formats.style.Styler at 0x116f048b0>"
       ]
      },
-     "execution_count": 11,
+     "execution_count": 12,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -852,13 +851,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -871,34 +870,34 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_62911_row0_col0, #T_62911_row1_col0 {\n",
+       "#T_588de_row0_col0, #T_588de_row1_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_62911\">\n",
+       "<table id=\"T_588de\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_62911_level0_col0\" class=\"col_heading level0 col0\" >loves_eve</th>\n",
+       "      <th id=\"T_588de_level0_col0\" class=\"col_heading level0 col0\" >loves_eve</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_62911_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_62911_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
+       "      <th id=\"T_588de_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_588de_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_62911_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_62911_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
+       "      <th id=\"T_588de_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_588de_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe587b4f0>"
+       "<pandas.io.formats.style.Styler at 0x116f07f40>"
       ]
      },
-     "execution_count": 12,
+     "execution_count": 13,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -926,13 +925,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 14,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -945,30 +944,30 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_0b74e_row0_col0 {\n",
+       "#T_e24ea_row0_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_0b74e\">\n",
+       "<table id=\"T_e24ea\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_0b74e_level0_col0\" class=\"col_heading level0 col0\" >loved_by_b_e</th>\n",
+       "      <th id=\"T_e24ea_level0_col0\" class=\"col_heading level0 col0\" >loved_by_b_e</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_0b74e_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_0b74e_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
+       "      <th id=\"T_e24ea_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_e24ea_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe5705a50>"
+       "<pandas.io.formats.style.Styler at 0x110b447f0>"
       ]
      },
-     "execution_count": 13,
+     "execution_count": 14,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1002,13 +1001,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 15,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -1021,34 +1020,34 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_92824_row0_col0, #T_92824_row1_col0 {\n",
+       "#T_d09d6_row0_col0, #T_d09d6_row1_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_92824\">\n",
+       "<table id=\"T_d09d6\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_92824_level0_col0\" class=\"col_heading level0 col0\" >loved_by_b_e</th>\n",
+       "      <th id=\"T_d09d6_level0_col0\" class=\"col_heading level0 col0\" >loved_by_b_e</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_92824_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_92824_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
+       "      <th id=\"T_d09d6_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_d09d6_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_92824_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_92824_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
+       "      <th id=\"T_d09d6_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_d09d6_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe5707bb0>"
+       "<pandas.io.formats.style.Styler at 0x116f068c0>"
       ]
      },
-     "execution_count": 14,
+     "execution_count": 15,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1084,13 +1083,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 16,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -1103,34 +1102,34 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_4bf3d_row0_col0, #T_4bf3d_row1_col0 {\n",
+       "#T_7a5cb_row0_col0, #T_7a5cb_row1_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_4bf3d\">\n",
+       "<table id=\"T_7a5cb\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_4bf3d_level0_col0\" class=\"col_heading level0 col0\" >loved_by_b_e</th>\n",
+       "      <th id=\"T_7a5cb_level0_col0\" class=\"col_heading level0 col0\" >loved_by_b_e</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_4bf3d_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_4bf3d_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
+       "      <th id=\"T_7a5cb_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_7a5cb_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_4bf3d_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_4bf3d_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
+       "      <th id=\"T_7a5cb_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_7a5cb_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe5705c60>"
+       "<pandas.io.formats.style.Styler at 0x116f04e80>"
       ]
      },
-     "execution_count": 15,
+     "execution_count": 16,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1165,13 +1164,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 17,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -1184,37 +1183,37 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_ce3f8_row0_col0, #T_ce3f8_row0_col1, #T_ce3f8_row1_col0, #T_ce3f8_row1_col1 {\n",
+       "#T_072ec_row0_col0, #T_072ec_row0_col1, #T_072ec_row1_col0, #T_072ec_row1_col1 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_ce3f8\">\n",
+       "<table id=\"T_072ec\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_ce3f8_level0_col0\" class=\"col_heading level0 col0\" >person</th>\n",
-       "      <th id=\"T_ce3f8_level0_col1\" class=\"col_heading level0 col1\" >loved</th>\n",
+       "      <th id=\"T_072ec_level0_col0\" class=\"col_heading level0 col0\" >person</th>\n",
+       "      <th id=\"T_072ec_level0_col1\" class=\"col_heading level0 col1\" >loved</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_ce3f8_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_ce3f8_row0_col0\" class=\"data row0 col0\" >bob</td>\n",
-       "      <td id=\"T_ce3f8_row0_col1\" class=\"data row0 col1\" >alice</td>\n",
+       "      <th id=\"T_072ec_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_072ec_row0_col0\" class=\"data row0 col0\" >bob</td>\n",
+       "      <td id=\"T_072ec_row0_col1\" class=\"data row0 col1\" >alice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_ce3f8_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_ce3f8_row1_col0\" class=\"data row1 col0\" >david</td>\n",
-       "      <td id=\"T_ce3f8_row1_col1\" class=\"data row1 col1\" >george</td>\n",
+       "      <th id=\"T_072ec_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_072ec_row1_col0\" class=\"data row1 col0\" >david</td>\n",
+       "      <td id=\"T_072ec_row1_col1\" class=\"data row1 col1\" >george</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe57068c0>"
+       "<pandas.io.formats.style.Styler at 0x116f071c0>"
       ]
      },
-     "execution_count": 16,
+     "execution_count": 17,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1243,13 +1242,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 18,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -1262,34 +1261,34 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_9e7b5_row0_col0, #T_9e7b5_row1_col0 {\n",
+       "#T_00d9f_row0_col0, #T_00d9f_row1_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_9e7b5\">\n",
+       "<table id=\"T_00d9f\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_9e7b5_level0_col0\" class=\"col_heading level0 col0\" >loved</th>\n",
+       "      <th id=\"T_00d9f_level0_col0\" class=\"col_heading level0 col0\" >loved</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_9e7b5_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_9e7b5_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
+       "      <th id=\"T_00d9f_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_00d9f_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_9e7b5_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_9e7b5_row1_col0\" class=\"data row1 col0\" >george</td>\n",
+       "      <th id=\"T_00d9f_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_00d9f_row1_col0\" class=\"data row1 col0\" >george</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe57067a0>"
+       "<pandas.io.formats.style.Styler at 0x116f074f0>"
       ]
      },
-     "execution_count": 17,
+     "execution_count": 18,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1316,7 +1315,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 19,
    "metadata": {},
    "outputs": [
     {
@@ -1333,7 +1332,7 @@
        "\u001b[36m  help: \u001b[0mNote that symbols occurring only in negated positions are not considered bound\n"
       ]
      },
-     "execution_count": 18,
+     "execution_count": 19,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1367,13 +1366,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 20,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -1386,34 +1385,34 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_4bb37_row0_col0, #T_4bb37_row1_col0 {\n",
+       "#T_9049a_row0_col0, #T_9049a_row1_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_4bb37\">\n",
+       "<table id=\"T_9049a\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_4bb37_level0_col0\" class=\"col_heading level0 col0\" >loved_by_e_not_b</th>\n",
+       "      <th id=\"T_9049a_level0_col0\" class=\"col_heading level0 col0\" >loved_by_e_not_b</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_4bb37_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_4bb37_row0_col0\" class=\"data row0 col0\" >bob</td>\n",
+       "      <th id=\"T_9049a_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_9049a_row0_col0\" class=\"data row0 col0\" >bob</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_4bb37_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_4bb37_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
+       "      <th id=\"T_9049a_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_9049a_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe587a7a0>"
+       "<pandas.io.formats.style.Styler at 0x116f052a0>"
       ]
      },
-     "execution_count": 19,
+     "execution_count": 20,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1452,7 +1451,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 21,
    "metadata": {},
    "outputs": [
     {
@@ -1469,7 +1468,7 @@
        "\u001b[36m  help: \u001b[0mNote that symbols occurring only in negated positions are not considered bound\n"
       ]
      },
-     "execution_count": 20,
+     "execution_count": 21,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1507,13 +1506,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 22,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -1526,46 +1525,46 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_b52c0_row0_col0, #T_b52c0_row1_col0, #T_b52c0_row2_col0, #T_b52c0_row3_col0, #T_b52c0_row4_col0 {\n",
+       "#T_4f125_row0_col0, #T_4f125_row1_col0, #T_4f125_row2_col0, #T_4f125_row3_col0, #T_4f125_row4_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_b52c0\">\n",
+       "<table id=\"T_4f125\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_b52c0_level0_col0\" class=\"col_heading level0 col0\" >not_loved_by_b</th>\n",
+       "      <th id=\"T_4f125_level0_col0\" class=\"col_heading level0 col0\" >not_loved_by_b</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_b52c0_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_b52c0_row0_col0\" class=\"data row0 col0\" >bob</td>\n",
+       "      <th id=\"T_4f125_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_4f125_row0_col0\" class=\"data row0 col0\" >bob</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_b52c0_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_b52c0_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
+       "      <th id=\"T_4f125_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_4f125_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_b52c0_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
-       "      <td id=\"T_b52c0_row2_col0\" class=\"data row2 col0\" >david</td>\n",
+       "      <th id=\"T_4f125_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
+       "      <td id=\"T_4f125_row2_col0\" class=\"data row2 col0\" >david</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_b52c0_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
-       "      <td id=\"T_b52c0_row3_col0\" class=\"data row3 col0\" >eve</td>\n",
+       "      <th id=\"T_4f125_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
+       "      <td id=\"T_4f125_row3_col0\" class=\"data row3 col0\" >eve</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_b52c0_level0_row4\" class=\"row_heading level0 row4\" >4</th>\n",
-       "      <td id=\"T_b52c0_row4_col0\" class=\"data row4 col0\" >george</td>\n",
+       "      <th id=\"T_4f125_level0_row4\" class=\"row_heading level0 row4\" >4</th>\n",
+       "      <td id=\"T_4f125_row4_col0\" class=\"data row4 col0\" >george</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe5706830>"
+       "<pandas.io.formats.style.Styler at 0x116f05f60>"
       ]
      },
-     "execution_count": 21,
+     "execution_count": 22,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1615,13 +1614,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 23,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -1634,34 +1633,34 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_65bbd_row0_col0, #T_65bbd_row1_col0 {\n",
+       "#T_2ec77_row0_col0, #T_2ec77_row1_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_65bbd\">\n",
+       "<table id=\"T_2ec77\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_65bbd_level0_col0\" class=\"col_heading level0 col0\" >loves_eve</th>\n",
+       "      <th id=\"T_2ec77_level0_col0\" class=\"col_heading level0 col0\" >loves_eve</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_65bbd_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_65bbd_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
+       "      <th id=\"T_2ec77_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_2ec77_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_65bbd_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_65bbd_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
+       "      <th id=\"T_2ec77_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_2ec77_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe54fe800>"
+       "<pandas.io.formats.style.Styler at 0x116f06920>"
       ]
      },
-     "execution_count": 22,
+     "execution_count": 23,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1688,13 +1687,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 24,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -1707,34 +1706,34 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_71c71_row0_col0, #T_71c71_row1_col0 {\n",
+       "#T_979ad_row0_col0, #T_979ad_row1_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_71c71\">\n",
+       "<table id=\"T_979ad\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_71c71_level0_col0\" class=\"col_heading level0 col0\" >loves_eve</th>\n",
+       "      <th id=\"T_979ad_level0_col0\" class=\"col_heading level0 col0\" >loves_eve</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_71c71_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_71c71_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
+       "      <th id=\"T_979ad_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_979ad_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_71c71_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_71c71_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
+       "      <th id=\"T_979ad_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_979ad_row1_col0\" class=\"data row1 col0\" >charlie</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe5705990>"
+       "<pandas.io.formats.style.Styler at 0x116f06c20>"
       ]
      },
-     "execution_count": 23,
+     "execution_count": 24,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1768,13 +1767,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 25,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 0ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -1787,38 +1786,38 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_dfa8c_row0_col0, #T_dfa8c_row1_col0, #T_dfa8c_row2_col0 {\n",
+       "#T_a532a_row0_col0, #T_a532a_row1_col0, #T_a532a_row2_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_dfa8c\">\n",
+       "<table id=\"T_a532a\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_dfa8c_level0_col0\" class=\"col_heading level0 col0\" >u</th>\n",
+       "      <th id=\"T_a532a_level0_col0\" class=\"col_heading level0 col0\" >u</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_dfa8c_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_dfa8c_row0_col0\" class=\"data row0 col0\" >a</td>\n",
+       "      <th id=\"T_a532a_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_a532a_row0_col0\" class=\"data row0 col0\" >a</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_dfa8c_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_dfa8c_row1_col0\" class=\"data row1 col0\" >b</td>\n",
+       "      <th id=\"T_a532a_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_a532a_row1_col0\" class=\"data row1 col0\" >b</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_dfa8c_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
-       "      <td id=\"T_dfa8c_row2_col0\" class=\"data row2 col0\" >c</td>\n",
+       "      <th id=\"T_a532a_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
+       "      <td id=\"T_a532a_row2_col0\" class=\"data row2 col0\" >c</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe54ff3a0>"
+       "<pandas.io.formats.style.Styler at 0x110cb5ba0>"
       ]
      },
-     "execution_count": 24,
+     "execution_count": 25,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1836,13 +1835,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 26,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 0ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -1855,57 +1854,57 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_78a2f_row0_col0, #T_78a2f_row0_col1, #T_78a2f_row1_col0, #T_78a2f_row1_col1, #T_78a2f_row2_col0, #T_78a2f_row2_col1, #T_78a2f_row3_col0, #T_78a2f_row3_col1, #T_78a2f_row4_col0, #T_78a2f_row4_col1, #T_78a2f_row5_col0, #T_78a2f_row5_col1 {\n",
+       "#T_7aec9_row0_col0, #T_7aec9_row0_col1, #T_7aec9_row1_col0, #T_7aec9_row1_col1, #T_7aec9_row2_col0, #T_7aec9_row2_col1, #T_7aec9_row3_col0, #T_7aec9_row3_col1, #T_7aec9_row4_col0, #T_7aec9_row4_col1, #T_7aec9_row5_col0, #T_7aec9_row5_col1 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_78a2f\">\n",
+       "<table id=\"T_7aec9\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_78a2f_level0_col0\" class=\"col_heading level0 col0\" >u</th>\n",
-       "      <th id=\"T_78a2f_level0_col1\" class=\"col_heading level0 col1\" >v</th>\n",
+       "      <th id=\"T_7aec9_level0_col0\" class=\"col_heading level0 col0\" >u</th>\n",
+       "      <th id=\"T_7aec9_level0_col1\" class=\"col_heading level0 col1\" >v</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_78a2f_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_78a2f_row0_col0\" class=\"data row0 col0\" >a</td>\n",
-       "      <td id=\"T_78a2f_row0_col1\" class=\"data row0 col1\" >x</td>\n",
+       "      <th id=\"T_7aec9_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_7aec9_row0_col0\" class=\"data row0 col0\" >a</td>\n",
+       "      <td id=\"T_7aec9_row0_col1\" class=\"data row0 col1\" >x</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_78a2f_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_78a2f_row1_col0\" class=\"data row1 col0\" >a</td>\n",
-       "      <td id=\"T_78a2f_row1_col1\" class=\"data row1 col1\" >y</td>\n",
+       "      <th id=\"T_7aec9_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_7aec9_row1_col0\" class=\"data row1 col0\" >a</td>\n",
+       "      <td id=\"T_7aec9_row1_col1\" class=\"data row1 col1\" >y</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_78a2f_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
-       "      <td id=\"T_78a2f_row2_col0\" class=\"data row2 col0\" >b</td>\n",
-       "      <td id=\"T_78a2f_row2_col1\" class=\"data row2 col1\" >x</td>\n",
+       "      <th id=\"T_7aec9_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
+       "      <td id=\"T_7aec9_row2_col0\" class=\"data row2 col0\" >b</td>\n",
+       "      <td id=\"T_7aec9_row2_col1\" class=\"data row2 col1\" >x</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_78a2f_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
-       "      <td id=\"T_78a2f_row3_col0\" class=\"data row3 col0\" >b</td>\n",
-       "      <td id=\"T_78a2f_row3_col1\" class=\"data row3 col1\" >y</td>\n",
+       "      <th id=\"T_7aec9_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
+       "      <td id=\"T_7aec9_row3_col0\" class=\"data row3 col0\" >b</td>\n",
+       "      <td id=\"T_7aec9_row3_col1\" class=\"data row3 col1\" >y</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_78a2f_level0_row4\" class=\"row_heading level0 row4\" >4</th>\n",
-       "      <td id=\"T_78a2f_row4_col0\" class=\"data row4 col0\" >c</td>\n",
-       "      <td id=\"T_78a2f_row4_col1\" class=\"data row4 col1\" >x</td>\n",
+       "      <th id=\"T_7aec9_level0_row4\" class=\"row_heading level0 row4\" >4</th>\n",
+       "      <td id=\"T_7aec9_row4_col0\" class=\"data row4 col0\" >c</td>\n",
+       "      <td id=\"T_7aec9_row4_col1\" class=\"data row4 col1\" >x</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_78a2f_level0_row5\" class=\"row_heading level0 row5\" >5</th>\n",
-       "      <td id=\"T_78a2f_row5_col0\" class=\"data row5 col0\" >c</td>\n",
-       "      <td id=\"T_78a2f_row5_col1\" class=\"data row5 col1\" >y</td>\n",
+       "      <th id=\"T_7aec9_level0_row5\" class=\"row_heading level0 row5\" >5</th>\n",
+       "      <td id=\"T_7aec9_row5_col0\" class=\"data row5 col0\" >c</td>\n",
+       "      <td id=\"T_7aec9_row5_col1\" class=\"data row5 col1\" >y</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe54ff970>"
+       "<pandas.io.formats.style.Styler at 0x110cb4eb0>"
       ]
      },
-     "execution_count": 25,
+     "execution_count": 26,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1937,13 +1936,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -1956,42 +1955,42 @@
      "data": {
       "text/html": [
        "<style type=\"text/css\">\n",
-       "#T_0bf22_row0_col0, #T_0bf22_row1_col0, #T_0bf22_row2_col0, #T_0bf22_row3_col0 {\n",
+       "#T_5f393_row0_col0, #T_5f393_row1_col0, #T_5f393_row2_col0, #T_5f393_row3_col0 {\n",
        "  color: black;\n",
        "}\n",
        "</style>\n",
-       "<table id=\"T_0bf22\">\n",
+       "<table id=\"T_5f393\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_0bf22_level0_col0\" class=\"col_heading level0 col0\" >chained</th>\n",
+       "      <th id=\"T_5f393_level0_col0\" class=\"col_heading level0 col0\" >chained</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th id=\"T_0bf22_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
-       "      <td id=\"T_0bf22_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
+       "      <th id=\"T_5f393_level0_row0\" class=\"row_heading level0 row0\" >0</th>\n",
+       "      <td id=\"T_5f393_row0_col0\" class=\"data row0 col0\" >alice</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_0bf22_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
-       "      <td id=\"T_0bf22_row1_col0\" class=\"data row1 col0\" >bob</td>\n",
+       "      <th id=\"T_5f393_level0_row1\" class=\"row_heading level0 row1\" >1</th>\n",
+       "      <td id=\"T_5f393_row1_col0\" class=\"data row1 col0\" >bob</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_0bf22_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
-       "      <td id=\"T_0bf22_row2_col0\" class=\"data row2 col0\" >charlie</td>\n",
+       "      <th id=\"T_5f393_level0_row2\" class=\"row_heading level0 row2\" >2</th>\n",
+       "      <td id=\"T_5f393_row2_col0\" class=\"data row2 col0\" >charlie</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th id=\"T_0bf22_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
-       "      <td id=\"T_0bf22_row3_col0\" class=\"data row3 col0\" >eve</td>\n",
+       "      <th id=\"T_5f393_level0_row3\" class=\"row_heading level0 row3\" >3</th>\n",
+       "      <td id=\"T_5f393_row3_col0\" class=\"data row3 col0\" >eve</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe54fe2f0>"
+       "<pandas.io.formats.style.Styler at 0x110cb6710>"
       ]
      },
-     "execution_count": 26,
+     "execution_count": 27,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -2032,13 +2031,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 33,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/html": [
-       "<p style=\"font-size: 75%\">Completed in 1ms</p>"
+       "<p style=\"font-size: 75%\">Completed in 0 ms</p>"
       ],
       "text/plain": [
        "<IPython.core.display.HTML object>"
@@ -2052,11 +2051,11 @@
       "text/html": [
        "<style type=\"text/css\">\n",
        "</style>\n",
-       "<table id=\"T_4a40e\">\n",
+       "<table id=\"T_1e2e1\">\n",
        "  <thead>\n",
        "    <tr>\n",
        "      <th class=\"blank level0\" >&nbsp;</th>\n",
-       "      <th id=\"T_4a40e_level0_col0\" class=\"col_heading level0 col0\" >chained</th>\n",
+       "      <th id=\"T_1e2e1_level0_col0\" class=\"col_heading level0 col0\" >chained</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
@@ -2064,10 +2063,10 @@
        "</table>\n"
       ],
       "text/plain": [
-       "<pandas.io.formats.style.Styler at 0x7fdfe57072e0>"
+       "<pandas.io.formats.style.Styler at 0x110cb65f0>"
       ]
      },
-     "execution_count": 27,
+     "execution_count": 33,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -2105,7 +2104,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 28,
+   "execution_count": 32,
    "metadata": {},
    "outputs": [
     {
@@ -2119,7 +2118,7 @@
        "        (negation, non-meet aggregation, or algorithm-application).\n"
       ]
      },
-     "execution_count": 28,
+     "execution_count": 32,
      "metadata": {},
      "output_type": "execute_result"
     }