Slightly faster collision checking, valids computing bounding boxes if one of the lists is empty
Slightly faster collision checking, valids computing bounding boxes if one of the lists is empty

hpbader42/Klampt,krishauser/Klampt,krishauser/Klampt,krishauser/Klampt,krishauser/Klampt,hpbader42/Klampt,hpbader42/Klampt,krishauser/Klampt,hpbader42/Klampt,krishauser/Klampt,hpbader42/Klampt