Bukkit

First beta release

• Redstone wire is not recognised as "transparent" when targeting blocks - easy fix, next build should fix it.
• More than one connection to the start block has weird results. Not quite such an easy fix, will require some time. In the meantime I recommend using AND or OR gates to make one connection into the block.
• Disk saving scheme is not optimal (though it does work perfectly fine) - I'll refactor for the next build or two.