Migration

- [MAGN-3058](http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-3058) Migrate Slice
- [MAGN-3496](http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-3496) Lines Through XYZ should use NurbsCurve.ByPoints with degree 1.