Created the migration and the primal cuts model using the criteria in the specs.
Added factory_girl_rails gem.
Downgraded database_cleaner gem due to issue 224 (https://github.com/bmabey/database_cleaner/issues/224).
Generated migration for users table.
Removed respond_with method that took no arguments, did nothing useful and was breaking a lot of the examples.
Added a method to query for the animal whose id is specified in the request, return a 404 when its not found, and invoke it for the appropriate controller actions from a before filter.

Also fixed the name of what should have been called the destroy action.
Changed the test user data to something identifiable as test data.
Added a route for the users resource.
Now using instance variables in the show methods instead an incorrect variable name.

Also returning a 404 instead of your mom.
Added test for user model.
Added seeds for all the animals and their cuts.
Added a controller, model and tests for the favorites, a new resource nested in users.

Created associations between users and favorites.
Added a controller, model and tests for the favorites, a new resource nested in users.

Created associations between users and favorites.
Fixed misspelling and an incorrect method name.
First version.