Merge pull request #12 from adrianob/fix_collision

fix collision
Merge pull request #13 from adrianob/fix_collision

add colors
Merge pull request #15 from adrianob/fix_collision

few more clean ups
add game scores
Merge pull request #16 from adrianob/scores

add game scores
a few fixes
use chtype
Merge pull request #17 from adrianob/use_chtype

use chtype
shoot collision with fruits and right characters