Fixes bug that causes an error when developing Mojura, without having a Mojura gem installed.
Improved symbolized_keys support. Als ran into a bug in which Hash.symbolize_keys where overruled by Rails' Hash.symbolize_keys. Rails and Mojura don't match.
Fixes some mixups. It's important to make distinction between an entry point for resources and an entry point for a resource. Resources support GET, PUT and DELETE for operations on a collection. Resource support GET, POST, DELETE operations on a specific resource.