+Added: Bullet explosions now do AOE damage

+Added: Universal eraser, erases on top layer clicked on

+Added: File select screen

+Added: Challenges button on main menu

~Changed: Pick object now picks whatever tile is in front, on any layer

~Changed: Improved hill backgrounds

~Changed: Story button now takes you to file select

~Changed: Different background tiles now connect

~Changed: Object size is now clamped

=Fixed: Many tile connections have been improved

=Fixed: Eraser can be used on non-existent tilemaps causing errors

=Fixed: Tooltips keep their maximum length after content length gets too long, even when hovering over a short tooltip

=Fixed: Bullet particles are simulated in local space

-Removed: Undo/Redo (We'll see about that...)