Removed useless moduleauthor metadata from the docs
For #48 makes load_bulk preprocess foreign keys (except parent) to pre-load the related object instead of trying to load an integer where django expects a django model instance.
Updated database versions in the docs
Extract the _process_foreign_keys method in load_data. Also added a note about the new behavior of load_buik dealing with ForeignKeys.
Merging Fernando Gutierrez's work on FK support for load_bulk.

Thanks xbito!