Moving the model classes to the models module
Rearranged imports
Tests depend on model-mommy, so that I can use dynamic fixtures
Getting rid of static fixtures, and replacing them with dynamic
Django 1.7 compatibility
Tox support, for testing against multiple Python/Django versions
.gitignore
In Django 1.7, RelatedManager instalces are callables. Invoking them directly, raises an exception. And anyway, evaluating the callables directly in this method, should be the last resort