MotionPlanner: optimization. While building the new commands list, preserve the internal next links, and only fix the next link of the last command at the end.
MotionPlanner: optimization.
While building the new commands list, preserve the internal next links, and only fix the next link of the last command at the end.

fixator/aprinter,fixator/aprinter,ambrop72/aprinter,ambrop72/aprinter,ambrop72/aprinter,johnkingsley/aprinter,ambrop72/aprinter,ambrop72/aprinter,fixator/aprinter,fixator/aprinter,johnkingsley/aprinter,johnkingsley/aprinter,ambrop72/aprinter,ambrop72/aprinter,johnkingsley/aprinter,johnkingsley/aprinter,johnkingsley/aprinter,johnkingsley/aprinter,fixator/aprinter,fixator/aprinter