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
merge baseTest to modelTest
add test for MongoDB.php
add PHP 5.5 test for travis-ci
Update Model.php
Adds DataType to map of loaded classes
Converts MutatorTest to inherit from common base class
Merge pull request #38 from timothy-r/master

Adds DataType to map of loaded classes
Adds tests for Collection::get() handling missing items
Updates test method name and removes empty lines
Adds test for Collection::isEmpty
Adds test for Collection::getIterator
Clarifies test fixture set up
Adds test for Collection::toArray