Add functionality to redo using the right mouse-button and the menu item.
Fixed z-index ordering for tools that use overlays.
Made the logic of undo and redo more explicit.
Styled the information bar at the bottom of the screen so that it is less
distracted and takes up less space.
Ignore keystrokes if used with the meta-key.
Add Binary file loading.
Added 'Edit SAUCE Metadata' functionality.
Fixed byte-ordering SAUCE bug.