-@minor Removed (commented) debug output
-@major Block-class added, Worm class remade using Blocks
-@major Worm is now 2 blocks in length, and does automated turn after 5 "ticks"
-@major Block-class added, Worm class remade using Blocks
-@major Worm is now 2 blocks in length, and does automated turn after 5 "ticks"