Add Part.distToShape()
revise Part.distToShape return value format
+ Fix compiler warning
Handle non-Ascii in ShapeString SStringValue
+ fixes #0001388: SIGSEGV in Part::GeometryCurvePy::toBSpline
+ draw additional dashed line in brush tool
OpenSCAD: igonre cylinder with negative height

and bugfix in mesh import
OpenSCAD use PythonFeatures for hull and minkowski
Use Part::Mirroing in importCSG
OpenSCAD binary gives version info on stderr in never versions
OpenSCAD: use PropertyQuantity