Updating .travis.yml
Fixes https://github.com/CakeDC/search/pull/133
Merge pull request #135 from burzum/develop

Develop
Adding a require to .travis
Updating .travis.yml
Updating the deprecated Set to Hash
Merge branch 'develop' of github.com:burzum/search into develop
Adding CONTRIBUTING.md
Changing Set to Hash in an App::uses() call
Merge pull request #136 from burzum/develop

Develop