--
Fix linear look up in tracker.  Get quad tree or something.
Fix brain death in  (robot-at board point) too slow.
PJK
--
Check bug in (define (pick-up arg-board robot package-list)
Does equal? go thorugh structs to check equality?
PJK
--
Check weight in pick-up-function
PJK
--


Get 8 hours of sleep.
Dine with Professor Xi.
liulk
--
two more hours to go with my objective.
liulk


