added boss sounds
The boss does not attack while hit
Some weak enemies now jump
Dead and damaged images added
Fixed difficulty
Added Special items
Merge pull request #24 from aldrinalmacin/feature/bosssounds

added boss sounds
Finished scorer class
Merge branch 'feature/timed_attack'

Conflicts:
	characters.py
Added Scorer
Pending changes
Main character moving
Added jumping
Added attacking
Damaged added
Added weak enemies
Battle with weak enemies done
Added special items
Special items added
Moved scorer