Another adjustment to TC_Geom_BoundingBox to test a change to make the `add` method actually do what the docs claims it should do.
Another adjustment to TC_Geom_BoundingBox to test a change to make the `add` method actually do what the docs claims it should do.

economysizegeek/testup-2,economysizegeek/testup-2,thomthom/testup-2,SketchUp/testup-2,SketchUp/testup-2,economysizegeek/testup-2,thomthom/testup-2,SketchUp/testup-2,thomthom/testup-2,thomthom/testup-2,SketchUp/testup-2,thomthom/testup-2,SketchUp/testup-2,SketchUp/testup-2,thomthom/testup-2,economysizegeek/testup-2