IComposite::clone now pure virtual, PythonAPI updated

Core/PythonAPI/inc/__call_policies.pypp.hpp

Core/PythonAPI/src/AxisBin.pypp.cpp

Core/PythonAPI/src/AxisDouble.pypp.cpp

Core/PythonAPI/src/Beam.pypp.cpp

Core/PythonAPI/src/Crystal.pypp.cpp

Core/PythonAPI/src/Detector.pypp.cpp

Core/PythonAPI/src/FTDistribution2DCauchy.pypp.cpp

Core/PythonAPI/src/FormFactorBox.pypp.cpp

Core/PythonAPI/src/FormFactorCrystal.pypp.cpp

Core/PythonAPI/src/FormFactorCylinder.pypp.cpp

Core/PythonAPI/src/FormFactorDecoratorDebyeWaller.pypp.cpp

Core/PythonAPI/src/FormFactorEllipsoid.pypp.cpp

Core/PythonAPI/src/FormFactorFullSphere.pypp.cpp

Core/PythonAPI/src/FormFactorGauss.pypp.cpp

Core/PythonAPI/src/FormFactorHemiSpheroid.pypp.cpp

Core/PythonAPI/src/FormFactorLorentz.pypp.cpp

Core/PythonAPI/src/FormFactorParallelepiped.pypp.cpp

Core/PythonAPI/src/FormFactorPrism3.pypp.cpp

Core/PythonAPI/src/FormFactorPyramid.pypp.cpp

Core/PythonAPI/src/FormFactorSphere.pypp.cpp