- Improved comments in classes and tests
- Changed ClueEngineInterface to accept both codes in the getClue method, so we can get rid of setters
- Removed setSecretCode and setUserCode methods
- Added dataprovider for getClue method Exceptions in ClueGeneratorTest
- Changed project description in the README.md file
- Removed urls from package description in composer.json
- Modified require once syntax and removed variable