412 copy from 411
P88 add guess valiable on marker.initialize
413 copy from 412
P88 refer the instance variable guess
414 copy from 413
P89 Delete number_match_count and number_match? from Game class
415 copy from 414
P89 Delete all method from Game class
42 copy from 415
Fix Guardfile
Fix guardfile
P95 Refactor