Cleanup
Slight refactoring for better readability

Also removed a check there for the tests
Refactored acceptance test loop a bit
More refactoring
Added the complete blargg cpu instruction test rom
Corrected instruction timing for CB instructions
Downoaded blargg's test roms
Moved blargg test roms
Refactored emu acceptance tests to run blarrgs test roms from the zip archives