------------------
- Bring unit test coverage to 100%.
- Automate build of Sphinx HTML docs and running doctest snippets via tox.
- Drop hard testing dependency on ``zope.testing``.
- Add explicit support for PyPy.
- Add explicit support for Python 3.2.
- Drop explicit support for Python 2.4 / 2.5.
- Add support for continuous integration using ``tox`` and ``jenkins``.
- Add ``Sphinx`` documentation.
- Add ``setup.py docs`` alias (installs ``Sphinx`` and dependencies).
- Add ``setup.py dev`` alias (runs ``setup.py develop`` plus installs
``nose`` and ``coverage``).