Sprite expansion X and Y introduced

Fixed up an offset bug that means sprites could not be ofset the full width (ascii character limitation). I've re-positiong the Ascii read from 136 instead of 84. This means there is a 52 pixel offset, so I added the ability to fix up an older file by pressing Shift+L, open the older file from 1.12 and earlier then resave it.

Expanding the sprites:

The C64 has a sprite expansion trick that is good for saving on sprite information at the expense of chunky pixels. Press Shift+X to expand horizontally (toggle) and Shift+Y to toggle vertically. This happens on the Compositor area and does not affect the base sprites, I think this is also how it works on C64...Correct me if I'm wrong.

Demo and UI update coming soon.