Merge pull request #11 from himedlooff/master

Idea for upping level
forgot, random stuff
fixed merge conflict
Merge pull request #12 from himedlooff/master

Increases levels after killing all ghosts.
merg conflict fixed
Merge pull request #13 from himedlooff/master

Adds level function so we can use it in more than one place.
Merge branch 'master' of https://github.com/RyanSUP/gb_game
fixes #7
fixes #14
added more to health bar, level name in corner
Removes old level screen.