What's New:
Added game start and ending screens (establishes the premise that it's the first day at work for the janitor)
Added new mechanic: children - can take damage from dust monsters; if a child dies, the janitor is fired (it's a school, after all)
Added new mechanic: anger meter - increases as more dust spawns; if the janitor doesn't clean up enough dust, he's fired
Added new animations for mopping and spraying water
Added new sprite for bucket (it now actually looks like a bucket)
Tweaked mechanics - spray bottle now sprays in a straight line in front of the janitor
Added expanded level for additional play

What's Next:
More levels - gym and cafeteria are in the works, as well as updated graphics for the hallway
More enemies - ranged enemies that attack from far away
Smarter children - children that move around idly and run away from monsters