Aborts the current unit movement, if any. Makes the next queued movement the current movement.

#Here we queue a move to (20, 20) at speed 1.
20 20 1 QueueMove

#Then we queue another move after for (10, 10) at speed 2
10 10 2 QueueMove

#We abort the CURRENT movement, therefore after, the CRPLCore will move to (10, 10) at speed 2.
AbortMove