Fixed the test target.  Added Tests.  Caught issues with greaterThanOrEqualToValue and lessThanOrEqualToValue methods.  Updated those methods to be correct.  Also changed offset: to constant: in all method names
Fixed an oops
Merge branch 'master' of github.com:Yelp/SimpleAL into testing_and_various_fixes
Change offset -> constant in variable names
Added default argument tests, and responded to feedback about some comments being incorrect
Merge pull request #7 from Yelp/testing_and_various_fixes

Added testing and various fixes caught by tests