[Checkins] [zopefoundation/zope.index] 83ab48: allow None values

[GitHub]

  Branch: refs/heads/none_value_field
  Home:   https://github.com/zopefoundation/zope.index
  Commit: 83ab48d0cda649983453b14806bd9c268ab1a38f
      https://github.com/zopefoundation/zope.index/commit/83ab48d0cda649983453b14806bd9c268ab1a38f
  Author: Forest Gregg <fgregg at uchicago.edu>
  Date:   2017-04-21 (Fri, 21 Apr 2017)

  Changed paths:
    M src/zope/index/field/index.py
    M src/zope/index/field/tests.py

  Log Message:
  -----------
  allow None values


  Commit: 3ba34a28cde98a40ab431e9ab734b9b992a14c3e
      https://github.com/zopefoundation/zope.index/commit/3ba34a28cde98a40ab431e9ab734b9b992a14c3e
  Author: Forest Gregg <fgregg at uchicago.edu>
  Date:   2017-04-21 (Fri, 21 Apr 2017)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  no macpython3.3


Compare: https://github.com/zopefoundation/zope.index/compare/d4c4517e52bb...3ba34a28cde9