Various Fixes

1) Lilypads design changed, less random. Experimental. ItemBlock now
schedules a tick, consideration was given to prevent abuse of block
placement.
2) Ender Staff Projectile now renders, lots less glitchy bullshit
3) Sand shot now insta-kills creepers as nature intended
4) Destruction catalyst no longer consumes gunpowder in creative mode.
5) Twilight Cloak now ignores world time, it only considers light level
when attempting to make the player invisible.