fix: corrected resolveDocument to prevent duplicate requests

chore: stop tracking lib to avoid inconsistencies

fix: WHERE filters were not behaving as expected

Merge pull request #12 from sejr/where-clause

Added support for various WHERE operators

feat: initial WHERE support

more doc info, added roadmap point

Merge branch 'master' of github.com:sejr/firegraph

* 'master' of github.com:sejr/firegraph:
  doc: minor note regarding references
  docs: better examples in readme

docs: gql files for examples

docs: no need to iterate results in examples

docs: examples now print out pretty JSON for readability