Improving existing code.

src/Cxx/GeometricObjects/EllipticalCylinder.cxx

src/Cxx/GeometricObjects/EllipticalCylinder.md

src/Cxx/GeometricObjects/EllipticalCylinderDemo.cxx

src/Cxx/GeometricObjects/EllipticalCylinderDemo.md

src/Cxx/GeometricObjects/GeometricObjectsDemo.cxx

src/Cxx/GeometricObjects/SourceObjectsDemo.cxx

src/Python.md

src/Python/GeometricObjects/EllipticalCylinder.md

src/Python/GeometricObjects/EllipticalCylinder.py

src/Python/GeometricObjects/EllipticalCylinderDemo.md

src/Python/GeometricObjects/EllipticalCylinderDemo.py

src/Python/GeometricObjects/GeometricObjectsDemo.py

src/Python/GeometricObjects/SourceObjectsDemo.py