Make 'data' part of document dynamic - Add data_to/from_resources methods. - These methods called by getattr/setattr and update. - Remove unnecessary add/remove_resource methods.
Make 'data' part of document dynamic
- Add data_to/from_resources methods.
- These methods called by getattr/setattr and update.
- Remove unnecessary add/remove_resource methods.

colinhiggs/pyramid-jsonapi,colinhiggs/pyramid-jsonapi