Added exists and isnull query options
Merge pull request #42 from aitutaki/TC-null

Added exists and isnull query options
Release: v0.3.12
Merge pull request #44 from aitutaki/master

Added POST /query api method
Release: v0.3.13
Release v0.3.14
Closes #45
Release v0.3.15
Merge pull request #46 from aitutaki/master

Add systemId to query before sending to DB
Release v0.3.16
Added option for mongoose population.
Release: v0.3.17
Added option for mongoose population.
Removed console.log debug.
Merge branch 'master' of https://github.com/aitutaki/gi-util