----------------
- Add support for Python 3.4, Python 3.5, and PyPy3.
- Drop support for Python 2.6 and 3.2.
- ``middleware``: avoid passing extracted ``identity`` to ``remember``
during egress (the app may have called ``api.forget()``). See 21.
- ``_auth_tkt`` / ``plugins.auth_tkt``: add support for any hash algorithm
supported by the ``hashlib`` module in Python's standard library.
Fixes 22 via 23.
- ``plugins.auth_tkt``: Fix storage of "userdata" to save dict. Fixes
14 via 18.
- middleware: avoid UnboundLocalError when wrapped generater yields no
items. See: http://bugs.repoze.org/issue184
- Make cookie expiration date RFC-2616 compliant (independent of locale,
including 'GMT' zone). See 11.