Added a user serializer
Added a product serializer for custom json output
Fixed spec
Fixes the sessions controller spec
Embedded the user into the product json output
Embed products into user json
Fetch products based on product_ids passed in
Added ransack for searching on ActiveRecord models, added a simple spec to check that is it working
Added scope to return most recently created products
Added specs to Ransack to see how it works.  Added a controller spec to make sure products#index action properly parses any ransack parameters
Merge pull request #7 from kkawakam/active-model-serializer

Active model serializer