post-jam improvements!

so i've already returned to work on this. i am proud of what i achieved in 10 days, however, some fixes needed to be made.

✱ fixed crash in final boss
✱ fixed boss 3 music not looping 
✱ fixed B3W3 and B4W3 bullets not being removed
✱ fixed fairies reappearing on screen in stage 3
✱ added Practice mode
✱ added signposting to attack B2W6
✱ added 'Checkpoint!' texts
✱ your hitbox is now ¼th the size
✱ redrawn final boss