Log Message:
Update to 0.59
0.59  Jan 7, 2015
* Improvements
  - Pass driver to expire_if - https://github.com/jonswar/perl-chi/pull/19 (rouzier)

* Fixes
  - Fix DiscardPolicy type - RT #95291 (Josh Rosenbaum)
  - Don't mandate that get_namespaces returns in same order - RT #89892 (nhorne)