Fixed yet another bug in the sweep computation.
Fixed yet another bug in the sweep computation.

I know of no remaining bugs there, but I'm still getting wrong behavior
   in a locally modified version of the objects motion code

idupree/Lasercake,idupree/Lasercake,idupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,Lasercake/Lasercake,Lasercake/Lasercake,elidupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake,Lasercake/Lasercake,idupree/Lasercake,elidupree/Lasercake,Lasercake/Lasercake,idupree/Lasercake,Lasercake/Lasercake,elidupree/Lasercake