Rope mod for Minetest. By Mirko K.
 With Modifications by Temperest [FEB 2012] and wulfsdad [DEC 2012].

 Placement automatically adds rope downwards until it runs out or some
 non-air block is in the way.
 Push (single left-click) cuts the rope at that position. Digging removes
 the whole rope.

 Licence:
   Code: GPL
   Texture: CC-BY-SA