Add aggregate to MongoDB
Merge branch 'master' of https://github.com/andreychuk/mongodm
Remove stale use notation
Refactoring
Merge remote-tracking branch 'purekid/master'

Conflicts:
	src/Purekid/Mongodm/MongoDB.php
	tests/baseTest.php
Add aggregate support to MongoDB
Merge pull request #36 from andreychuk/master

Add aggregate support to MongoBD