message: Updated CHANGELOG for `_fork` options.
diff: @@ -11,7 +11,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
  Unreleased section, uncommenting the header as necessary.
  -->
  -<!--## Unreleased-->
  +## Unreleased
  +
  +* Added options argument for Analyzer `_fork` method, supporting individual property overrides.
  ## [2.0.0-alpha.30] - 2017-03-03
  