Switch to `pkgutil namespace technique <https://packaging.python.org/guides/packaging-namespace-packages/#pkgutil-style-namespace-packages>`_ for the ``jaraco`` namespace.
Drop support for Python 3.5.
5.0
===
Moved ``http API`` to `pmxbot.webhooks <https://pypi.org/project/pmxbot.webhooks>`_.
4.0.1
=====
3: Use ``cherrypy.engine.exit`` for cleaner exit of the webhooks.