Radial sort with polylines bugs

[BrunoLevy]

The following files crash with an assertion fail with the new radial sort with polylines function:

• hyperboloid.csg
• light_saber.csg
• LED_lamp.csg
• fractal_sierpinsky.csg
• test_inclusion4.csg
• example22.csg

(but they work with the old 'radial sort all bundles' code)

[BrunoLevy]

Sort by propagation along radial polyline: need to check that number of incident triangles match. Fixes all of them except:

• light_saber.csg
• fractal_sierpinsky3.csg

[BrunoLevy]

Additional conditions:

• check that sorted lists of chart ids match exactly
• check that the same chart id does not appear more than once (check in both reference and current bundle) (fixes light_saber and fractal_sierpinsky3)