[Checkins] [zopefoundation/Products.ExternalMethod] 3cfdfd: - prepare version 4.2

[Jens Vagelpohl]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Products.ExternalMethod
  Commit: 3cfdfd9c44240a9f3b067a63a317a758f550dcac
      https://github.com/zopefoundation/Products.ExternalMethod/commit/3cfdfd9c44240a9f3b067a63a317a758f550dcac
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-04-06 (Sat, 06 Apr 2019)

  Changed paths:
    M CHANGES.rst
    M setup.py

  Log Message:
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  - prepare version 4.2