Please update this mod to 4.4c (if not planned allready). Atm 4.4b (current version) generates some annoying servercrashes:
http://forum.industrial-craft.net/index.php?page=Thread&postID=84160#post84160
Cant update serverside without a clientupdate
http://forum.industrial-craft.net/index.php?page=Thread&postID=84160#post84160
Cant update serverside without a clientupdate