[Checkins] [zopefoundation/Zope] 50b88e: Update requirements, too. [skip ci]

[GitHub]

  Branch: refs/heads/upd-versions
  Home:   https://github.com/zopefoundation/Zope
  Commit: 50b88ea16c7682ede70ace623b1539bf5dfead2e
      https://github.com/zopefoundation/Zope/commit/50b88ea16c7682ede70ace623b1539bf5dfead2e
  Author: Michael Howitz <mh at gocept.com>
  Date:   2018-01-27 (Sat, 27 Jan 2018)

  Changed paths:
    M requirements-full.txt

  Log Message:
  -----------
  Update requirements, too. [skip ci]