----------------
Features
++++++++
- Add support for Python 3.7, 3.8 and 3.9.
Bug fixes
+++++++++
- Add missing security declaration needed for ``.browser.widget.MonthWidget``,
the month widget for ``z3c.form``.
Other CHANGES
+++++++++++++
- Migrate to Github.
- Use Github actions as CI.
- Drop support for Python 3.4 and 3.5.