fluidb/README.md

## TODO

* [x] predicates
* [x] negation
* [x] disjunction
* [x] stratum
* [x] magic sets
* [x] unification
* [x] aggregation
* [x] duplicate symbols in rule heads
* [x] limit, offset
* [x] public API
* [x] sorting
* [ ] range scan

comparators can have problems when sorting mixed integers and floats
readme 2 years ago			`## TODO`

done filtering 2 years ago			`* [x] predicates`
negation reordering 2 years ago			`* [x] negation`
disjunction 2 years ago			`* [x] disjunction`
stratified semi-naive 2 years ago			`* [x] stratum`
magic sets works! 2 years ago			`* [x] magic sets`
doc 2 years ago			`* [x] unification`
aggregation 2 years ago			`* [x] aggregation`
dup symbols in rule heads 2 years ago			`* [x] duplicate symbols in rule heads`
limit and offset 2 years ago			`* [x] limit, offset`
			`* [x] public API`
sorters 2 years ago			`* [x] sorting`
limit and offset 2 years ago			`* [ ] range scan`
neg join for triples 2 years ago
rename keyword to symbol/name 2 years ago			`comparators can have problems when sorting mixed integers and floats`