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* Enforce the use of the same model inside BulkInlineModelAdmin and BulkModelAdmin
* Added errors to change form context
* Documented caveat: No admin logs are generated for bulk operations
* Compatibility with python 2.7, 3.2, 3.3, 3.4 and Django 1.7 and 1.8
* Added tox
* Removed dependency to django-sortedm2m
* Removed migrations in example_project