change Bowling::Game to take game_str parameter.
Flame is wrong, frame is right
Introduce Scorer class
Apply turkey
Confirm with 4 strike pattern
Apply to spare-strike pattern
Apply to continuous spare
Apply to spare-strike-strike pattern
Apply to strike-spare pattern
Confirm with strike-spare-strike pattern
Apply to strike-strike-spare pattern
Confirm with spare-strike-spare pattern
Apply to last frame that has 3 throws
Move spec files
Confirm with spare-strike pattern of last frame
Confirm with strike-normal pattern of last frame
Confirm with strike-spare pattern of last frame
Confirm with strike-strike-normal pattern of last frame
Confirm with punch out
Apply to all miss game