[Checkins] [zopefoundation/AccessControl] 705a25: - prepare release 4.2

[Jens Vagelpohl]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/AccessControl
  Commit: 705a256217db9b8981d6823573bea3a2bde38da1
      https://github.com/zopefoundation/AccessControl/commit/705a256217db9b8981d6823573bea3a2bde38da1
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2020-04-20 (Mon, 20 Apr 2020)

  Changed paths:
    M CHANGES.rst
    M setup.py

  Log Message:
  -----------
  - prepare release 4.2