Rework best_worker
Rework best_worker

Set worker as busy as soon as it's determined the best (until it's
dethroned), check the speed against the speed limit before designating
the best.

ZeChrales/Monocle,evenly-epic-mule/Monocle,RobTwoThree/Monocle,Claod44/GokemonReborn,sebast1219/Monocle,ZeChrales/Monocle,evenly-epic-mule/Monocle,DavisPoGo/Monocle,RobTwoThree/Monocle,RobTwoThree/Monocle,DavisPoGo/Monocle,tallypokemap/Monocle,ZeChrales/Monocle,tallypokemap/Monocle,DavisPoGo/Monocle,sebast1219/Monocle,sebast1219/Monocle,RobTwoThree/Monocle,Claod44/GokemonReborn,tallypokemap/Monocle,evenly-epic-mule/Monocle