[Checkins] [zopefoundation/zopetoolkit] 1b878f: Fix Python 3.9 by using a new zope.exception versi...

[Michael Howitz]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zopetoolkit
  Commit: 1b878f7756bdde3883f09a480bc568883223a0fe
      https://github.com/zopefoundation/zopetoolkit/commit/1b878f7756bdde3883f09a480bc568883223a0fe
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-07-17 (Fri, 17 Jul 2020)

  Changed paths:
    M .travis.yml
    M README.rst
    M tox.ini
    M ztk-versions.cfg

  Log Message:
  -----------
  Fix Python 3.9 by using a new zope.exception version. (#43)

* Drop Python 3.5 support as the latest zope.exception version has dropped it.