Rename randomboolean method to support probabilities.
Initial pass at some item head drops
More things.
Special probability for ghasts.
Add bonus blocks via chat.
switch to bane of arthoropods and whatevs
Merge pull request #7 from BitLimit/head-drops

Head drops
Version bump.
Fix dependency.
Add cake and piston functionality.
Add cake and piston functionality.
done
Version bump.
Fix broadcasting and bump version.