[geometry] Fixed projection example/test
[geometry] Silenced (some) warnings in extension code
[geometry] Comment nsphere not-running unit tests. TODO: should be fixed
[geometry] Fixed example on new parameter with get_turns
[geometry] Use rescale_policy in enrich_intersection_points and sectionalize
Also in get_turns forward them further up to point-comparison
[geometry] Minor trivial change
[geometry] unit-test, made par const and ignore it