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Released on May 18, 2013.
- Requests that require a body but don't have ``Content-Type:
application/json`` will cause a :http:statuscode:`415` response.
- Responses now have ``Content-Type: application/json``.
- 180: allow more expressive ``has`` and ``any`` searches.
- 195: convert UUID objects to strings when converting an instance of a model
to a dictionary.
- 202: allow setting hybrid properties with expressions and setters.
- 203: adds the ``include_methods`` keyword argument to
:meth:`APIManager.create_api`, which allows JSON responses to include the
result of calling arbitrary methods of instances of models.
- 204, 205: allow parameters in ``Content-Type`` header.