Move tests on protected videos into their own test case
Add unit test for connection error on player script
Add unit test for connection error on web page
Add unit test for missing signature function on player script
Add unit tests for XCDYouTubeVideoOperation
Move cassettes into their own directories
Add video equality unit test
Add video as key in dictionary unit test
Add video description unit test
Add unit test for incomplete info
Fix XCDYouTubeKit iOS Tests target
Setup Travis CI / Coveralls integration