[Checkins] [zopefoundation/zope.security] b2babb: Update to current Python versions. (#61)

[Michael Howitz]

  Branch: refs/heads/issue-50
  Home:   https://github.com/zopefoundation/zope.security
  Commit: b2babb1c0fbfec301f0cab8334d71697622b1138
      https://github.com/zopefoundation/zope.security/commit/b2babb1c0fbfec301f0cab8334d71697622b1138
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-04-06 (Sat, 06 Apr 2019)

  Changed paths:
    M .travis.yml
    M CHANGES.rst
    M appveyor.yml
    M setup.py
    M tox.ini

  Log Message:
  -----------
  Update to current Python versions. (#61)

Additionally we have to pin an older `Sphinx` version to keep supporting
Python 2.


  Commit: f47558a726c14c32964d80cea1c55c039a096c5b
      https://github.com/zopefoundation/zope.security/commit/f47558a726c14c32964d80cea1c55c039a096c5b
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-04-06 (Sat, 06 Apr 2019)

  Changed paths:
    M appveyor.yml
    M setup.py

  Log Message:
  -----------
  Merge branch 'master' into issue-50


Compare: https://github.com/zopefoundation/zope.security/compare/f6baea7eacf9...f47558a726c1