Merge pull request #105 from mcmire/ew-fix-failing-test

Fix failing test on Ruby 2.0.0
Merge pull request #106 from mcmire/ew-move-test-helpers-to-modules

Move methods defined in spec/support to modules
Merge pull request #107 from mcmire/ew-remove-rr-as-a-dependency

Remove RR as a dependency
Remove trailing whitespace in all Ruby files