Added (but haven't implemented) SFX, deleted duplicate images

Replaced sprites with spritesheets, beginning to phase out WalkingSprite in favor of an AnimatedSprite utilizing a spritesheet

AnimatedSprite superseded WalkingSprite,
spritesheets replaced character bitmaps,
removed sfx apart from those currently being used,
implemented sfx for battle loss/victory/run and current map,
removed duplicate images

Edits to SFX used

Misc

misc