Simplified the default representation of a model
Pinned djangorecipe to 1.3. Version 1.4 seems to not respect the pinned django version
Refactored the field selection
Added serialization for RelatedObject fields (that is fields that correspond to class inheritance)
Added exceptions when trying to retrieve the value of the field
docs
Handling ValueError in the case of incorrect parameters in a model query. It will return an Error 410 Gone response
Tests to handle it
Added testing class, for testing amount of specific type of SQL statements per request