I added module setup for roa discovery. In addition I transformed sample_resource to an sql alchemy model.
I updated technical summary to also include autogenerated roa controller.
I added Roa get_collection dynamic api with default values.
I refactored get_collection so that query params processing logic is separated from business logic.
I added a new unit tests for get_collection which ensures filtering / sorting / pagination work as expected.
I fixed a bug in find_by_url invocation. I added support for resource not found responses.
I added resource not found error page in documentation.
I improved routing registration / loading so that it supports separate handlers for each http verb.
I fixed the roa controller to correctly support get_collection and cors for get_collecation.
I added get collection using latest version api support.
I added roa helper support for api hosting on separate domain than the project.
I added support for fields query parameter in get collection (partial representation of items).
I added resource validator base class.