[Checkins] [zopefoundation/grokcore.chameleon] a890cb: update changelog

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/grokcore.chameleon
  Commit: a890cbb72e81b3046606020a4a53bd6441538ff5
      https://github.com/zopefoundation/grokcore.chameleon/commit/a890cbb72e81b3046606020a4a53bd6441538ff5
  Author: Jan-Wijbrand Kolman <jkolman at minddistrict.com>
  Date:   2018-01-12 (Fri, 12 Jan 2018)

  Changed paths:
    M CHANGES.txt

  Log Message:
  -----------
  update changelog