Log Message:
Update to 0.13

Upstream changes:
0.13      2013-01-07 20:59:07 PST-0800
          - Resolve failure reports in 5.17.* due to changes in SVf_AMAGIC

0.12      2013-01-05 12:10:02 PST-0800
          - Bump dependency on namespace::autoclean (RT#69313)

0.11      2012-11-17 22:09:00 +0000
          - Fix dependency issues from AutoPrereqs. RT#81145

0.10      2012-11-13 00:41:00 +0000
          - Remove use of MooseX::Types to allow Catalyst to work on perl
            5.8.5 RT#77100, RT#81124
          - Fix bug causing attributes to get lost if they were added to a
            role before composing a ::WithOverloading role onto it.