Correct header details
Multiple test cases to prevent hard-coding return statements
Additional tests to prevent further hard-coding
Additional tests, less cheating
Moar tests, moar tests
You won't believe how testy this commit gets
Gettin' trecky with it
Merge pull request #30 from Bloc/stan-fixes

Stan fixes
Use NSNumbers in test
Merge branch 'master' of https://github.com/Bloc/ios-exercises
Pre-pull-request merge for typo fix