Bla if this glitch is not updated, don't update Blacraft.
http://universesandbox.com/forum/index.php/topic,2156.msg95926.html#msg95926
^Yqt1001's experiments, credit to him not me^
It's a snapshot, Bla's not going to update the server to a snapshot version.
Besides, I can guarantee you that Mojang wiill try to get rid of that bug since it's gamebreaking for everybody who plays MC, not just blacraft.