Fix import path of add_to_builtins
Added classifiers for supported Python versions.
Added Python 3.3 to travis config.
Added wheel config
Version bump to 0.3.1
Drop unsupport Django 1.3 Closes #10.
Version bump to 0.3.2
Merge remote-tracking branch 'upstream/master' into wlanslovenija

Conflicts:
	overextends/models.py