- Add support for the Attachment API, either directly or via a TableModel
- Add TableModel tests
- Improve test fixtures
- Allow passing of return_only to TableModel.get
- Rework models package structure
- Clean up unused exceptions
- Remove support for passing of custom aiohttp.session objects to Client
- Rework the reference documentation
Note about Client session parameter removal:
Controlling what the Client session factory produces by passing a session to its constructor is no longer supported. Instead, the Client.get_session method should be overridden to accomplish the same thing.