Added files
It sums the score of a gutter game and when a player only roles 1
Refactoring tests
Made tests to have an array of scores
Added a test for when a player makes a spare
Refactoring code to be more readable
Bowling know counts strike roles
Refactoring Bowling to be more readable
Added strikes and spares in last frame. Refactoring
Added strike in the 5th frame. Added the perfect game. Refactoring of code to make it more readable