Add #wiztelekinesis for testing purposes

For testing mhurtle, which is used for jousting or
bare-handed combat.

Improve mhurtle_step to handle bumping into another monster,
and when the monster gets killed or stuck in a trap.

include/trap.h

@@ -83,7 +83,11 @@ enum trap_types {
 };
 
 /* some trap-related function return results */
-enum { Trap_Effect_Finished = 0, Trap_Is_Gone = 0, Trap_Killed_Mon = 2 };
+enum { Trap_Effect_Finished = 0,
+       Trap_Is_Gone = 0,
+       Trap_Caught_Mon = 1,
+       Trap_Killed_Mon = 2
+};
 
 #define is_pit(ttyp) ((ttyp) == PIT || (ttyp) == SPIKED_PIT)
 #define is_hole(ttyp)  ((ttyp) == HOLE || (ttyp) == TRAPDOOR)