NURBS-Python (geomdl) v4.3.2

NURBS-Python v4.3.2 has been released on October 19th, 2018 with the following updates:

• Hodograph curve and surface computation: operations.derivative_curve() and operations.derivative_surface()
• LU-Factorization and Forward-Backward Substitution functions in utilities module
• Documentation update for compiling the package with Cython
• Ray module
• Added axes_equal and evalpts keyword arguments to visualization config class
• Added set_plot_type method to surface visualization classes
• Documentation updates
• Minor code improvements

Please see the documentation for installation and upgrade information.