+ better exception handling in Part module
+ fixes #0001816: parseQuantity returns garbage
+ improve plane fit
+ fix various rendering problems
Part: ModelRefine: Enhancement for cylindrical faces
Part: ModelRefine: fix for missing tolerances.
Part: ModelRefine: Add FixMissingSeam
Part: ModelRefine: adding bspline support
Part: ModelRefine: Test files
Part: ModelRefine: Fix for avoid edges of edgeFuse not working