Sutto/rocket_pants — pull request #106 by hlxwell (2014-06-13 09:53:15+00:00)
Title: add handling each_serializer when expose a collection of object.

For now in the controller if you run

`expose User.page(params[:page]||1), serializer: UserSerializer`

It will give you an error, if you add `:each_serializer` it doesn't work.

so add the option when `:each_serializer` was used, that means user want to regards the object as a collection.