Make adding several many-to-many related objects at once work correctly
Allow direct assignment of values to a many-to-many relationship field
Django 1.6 compatibility fix for m2m direct assignment
Added further tests for adaptions in PR #18
Merge pull request #18 from brki/fix-many-to-many-multiple-add

Fix many to many multiple add
Merge remote-tracking branch 'origin/master' into cleanup_querytime_limit

Conflicts:
	versions/models.py
	versions/tests.py
Merge pull request #20 from brki/allow-direct-assignment-of-m2m-relationships

Allow direct assignment of m2m relationships
Merge remote-tracking branch 'origin/master' into cleanup_querytime_limit

Conflicts:
	versions/tests.py
Made setting M2M relationships slightly more tolerant and unified the way M2M properties are accessed by the new code parts (via the __get__ method)