Add rspec to rake
Basic test
Test for spliting list of rolls into frame chunks
Add a crude but working split_rolls_to_frames
Change score to work on variable number of rolls
Pass array to scores method
Identify strikes and spares in a frame
Add an extra roll to the score for "spare" frames
Add extra 2 rolls to the score for "strike" frames
Add test for 3 strikes in a row
Test strike or spare in the 10th frame

It shoudn't add score from extra rolls
Frame 10 doesn't take score from extra rolls
Add tests for scoring entire games
Add left over rolls to a frame
Refactor by adding bonus_rolls_given def
Refactor score to use a block for ecah frame
Change parameter order for each_frame block
Create Frame class and add score
Add pins_cleared to frame class
Move bonus_rolls_given into Frame class