3.1.0 prep.
Merge pull request #162 from mhaskel/3.1.0-prep

3.1.0 prep
Remove deprecated Modulefile.

Also removes PE3.2 compatibility as there's a dependency on stdlib 4.
Merge pull request #163 from mhaskel/3.1.1-prep

3.1.1 prep
Merge pull request #164 from cyberious/3.1.x

Pin rspec to ~> 2.11
Fixing typo.
Merge pull request #166 from mhaskel/fix_typo

Fix typo
Prepare a 3.1.2 release.
Merge pull request #176 from apenney/312-release

Prepare a 3.1.2 release.