[Checkins] [zopefoundation/zodbpickle] a83fe6: Add warning about usage of untrusted sources

[GitHub]

  Branch: refs/heads/fix-2
  Home:   https://github.com/zopefoundation/zodbpickle
  Commit: a83fe6fe9447ce03e9aa6e03bf360b4f4f75a878
      https://github.com/zopefoundation/zodbpickle/commit/a83fe6fe9447ce03e9aa6e03bf360b4f4f75a878
  Author: Michael Howitz <mh at gocept.com>
  Date:   2017-12-01 (Fri, 01 Dec 2017)

  Changed paths:
    M README.rst

  Log Message:
  -----------
  Add warning about usage of untrusted sources

Fixes #2