Log Message:
Update to 0.15
--------------
0.15      2015-05-14 21:46:06Z
  - updated the tooling for generating Makefile.PL
  - removed Tie::StdHash from prereqs, which is not require()able as a module
    on its own (despite being indexed) (miyagawa, GH #3)
  - fixed the addition in release 0.14 of Hash::Util::FieldHash as a
    prerequisite (which is not available prior to perl 5.010) for pure-perl
    installations (RT#104435)