Fixes #926, #976, #926 and others.
defusedxml is now a requirement if you wish to support xml requests.
Merge pull request #994 from georgedorn/defusedxml_docs

Fixes #926, #976, #926 and others.
Bumped to v0.9.16!
Started the Py3 port.
Exception syntax for Py3.
Removed some legacy parts of the codebase that were supporting old versions of Python/Django.
Doc fix about PyPI. Releases have been being pushed there for a long time now.
Fixed API key generation to use ``.bytes`` instead.
More Python 3-isms.
Disappointingly, none of the Oauth bits have been ported yet.
Removed a doctest that generates an (uncatchable) exception on Python 3.
Iteration changes.
M-M-M-METACLASSES
Type fixes.
Working on the tests.
Switched to python-mimeparse over the official release/vendored version.
python-mimeparse everywhere.
Better integer behavior.
Pagination changes for Py3.
More passing tests.