[GCAD] Added vector equality methods.
[GCAD] Added AABB3d:IsEmpty (), AABB3d:Volume () and AABB3d:Equals ().
[GCAD] Added AABB3d:Expand () AABB3d:ExpandUnpacked (), AABB3d:Intersect (), AABB3d:Union ().
[GCAD] Added AABB3d:ContainsAABB (), AABB3d:IntersectAABB (), AABB3d:IntersectsAABB ().
[GCAD] Added AABB3d.FromRange3d () and AABB3d.ToRange3d ().
[GCAD] Added AABB3d.Minimum () and AABB3d.Maximum ().
[GCAD] Added AABB3d:Unpack () and AABB3d:ToString ().
[GCAD] Added Range2d:ContainsPoint2 () and Range2d:ContainsUnpackedPoint2 ().
[GCAD] Added UnpackedRange2d.ContainsPoint2 () and UnpackedRange2d.ContainsUnpackedPoint2 ().
[GCAD] Added Range3d:ContainsPoint3 () and Range2d:ContainsUnpackedPoint3 ().
[GCAD] Added UnpackedRange3d.ContainsPoint3 () and UnpackedRange2d.ContainsUnpackedPoint3 ().