[Checkins] [zopefoundation/Products.ExternalMethod] 7a4bd1: - prepare version 4.3

[Jens Vagelpohl]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Products.ExternalMethod
  Commit: 7a4bd18847f2b4135df54bdff780d04c05eb07b9
      https://github.com/zopefoundation/Products.ExternalMethod/commit/7a4bd18847f2b4135df54bdff780d04c05eb07b9
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-05-18 (Sat, 18 May 2019)

  Changed paths:
    M CHANGES.rst
    M setup.py

  Log Message:
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  - prepare version 4.3