Moved WorldCanvas to new package.
Created ResizeListener class.
Created com.puzzblocks.gui package and moved WorldCanvas there.
Added debug printing of UtiliGame info.
Added Fly key.
Added Flying functionality for debugging.
Added flying indicator.
Fixed jumping!
onPlayerWalk hook is now used.
Game detects which block is being stood on and performs action
accordingly.
You can no longer jump in midair.
Adjusted jump height.