Update notes vor V1.3

GIANT texture pack added :)

Killboxes kill you the next time you touch on land. In the older version they don't kill you if you're already on land until you go into the air first. Now they kill you right away if you are on land when you enter them. This is to make it easy to have things like lava that kills you when you roll onto it (hint: you can make the killbox totally flush with the floor and it seems to work pretty well)

There's an 'unrandomize' shortcut in the editor, in addition to Ctrl+R to 'unrandomize' the rotation of all *cube-shaped blocks* (with the currently-selected texture in the currently-selected layer) to face single direction.(Cycles direction each time it's pressed.)

Some minor fixes in the level editor.