Merge pull request #5 from Bodacious/dev/unit_tests

Refactored game flow class
Merge pull request #6 from Bodacious/dev/unit_tests

Refactored some class names - broken :S
fixed deck class to instantiate new Card objects
Merge branch 'dev/unit_tests'
Renamed is_dealer_sticking? method
Refactored code for dealing with Hands
Refactored User-Interaction classes and methods
Fixed a bug breaking the behaviour of Aces
Merge branch 'dev/refactoring'
documented my new classes and methods
Merge branch 'doc/newClasses'