[Checkins] [zopefoundation/Zope] 4b73a0: Pin Paste as it is used in zope.ini. (#653)

[Michael Howitz]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: 4b73a0fc31b1faee8a0a5f87cf73202994d17635
      https://github.com/zopefoundation/Zope/commit/4b73a0fc31b1faee8a0a5f87cf73202994d17635
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-06-18 (Tue, 18 Jun 2019)

  Changed paths:
    M CHANGES.rst
    M constraints.txt
    M requirements-full.txt
    M versions-prod.cfg

  Log Message:
  -----------
  Pin Paste as it is used in zope.ini. (#653)