Style nits
Style improvments.
More style
This chceck have more sens.
Add all polygon conditions.
Add 4th option
Set right comments.
Repear compilation errors
Lot of change:
Move set_color little bit higher
Style nits
change classfication_qube to test_plane and change argument list
Remove determine which coord is bigger assume that wx2 > wx1.
Add testing for all boxes sides.
Move further Warnock algorithm.