Added tests for getters and setters in GameBoyProcessorTests. Execution needs to be tested
Filled out AND instruction tests
Completed and tested all AND instructions
Completed OR instructions and the corresponding tests.
Finished XOR instructions and corresponding tests
Renamed LoadImmToAddrHL to LoadImmToAddrHL8 so it is obvious it is a 8
bit load. Also, fixed the logic of getting the immediate value
parameter.
Merge branch 'kevins_branch'