initial commit
added .gitignore
Update README.md
files ready for today
game class created
no-op roll created
gutter game working
score returning real value
creating game in setup
refactored tests
wrote spare test, skipping to overhaul
started to refactor score
Game::score is now calculating score
scoring 2 balls at once
spare working
renamed i to frame_index
removed comment from game
extracted roll_spare
strike working
moved score methods