Jupy

I had 4 y moves in a row, three times, in my last scramble. Scramble: `'YYYYYWYOYBBBBBBBBBRWRRRRRORGRGGGGGGGOROOOOOYOWYWWWWWGW'` Solution: `[U, F2, Y, F2, F2, Y, R', F', U, F, R, U, U,...

When rendering the maze (with maze-v0, at least) the maze is displayed, but the background is black.  This makes it hard to see what is going on. Edit to...

Fixes #20