- Add support for Python 3.7, 3.8, 3.9, 3.10, 3.11.
- Update to ``zope.component >= 5``.
3.0.3
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- Bugfix: Exception pages did not report their contents as text/html, but used text/plain instead (from their ``zope.errorview`` base classes). Layouts and pages are about HTML however and the sensible default content type for those is ``text/html``.
3.0.2
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- Replace the use of ``grok.implements()`` with the ``grok.implementer()``. directive throughout.
3.0.1
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- Rearrange tests such that Travis CI can pick up all functional tests too.