1.7.1

Not overly agressive with the polygon rejection

1.7.0: De-Duplicating on the event of loading the SVG prevents downstream

errors

1.6.11: Fix the incorrectly computed normal

The normal should take into account all of the points, not just the
first 3. the change allows for polygons whs first 3 points may in fact
be in a line producing an invalid normal

1.6.10

adding helper methods like the CSG methods for geting the extents

1.6.9

Removing the breaking change away from Vector3d

1.6.8

ensure Bounds can be serialized and stored

1.6.7

fixing a class cast exception

1.6.6

ensure the CSG database is concurrent safe

1.6.5

setting the color of the base CSG and sync it through opperations

1.6.4

ensure that the getParamListeners can not return null