Reworked macro generators to handle creating cuda call stubs

src/c/CudaPy3DLL.vcxproj

src/c/CudaPy3DLL.vcxproj.filters

src/c/WrapCmds/GenCommands.h

src/c/WrapCmds/LinkageTraitTfms.h

src/c/WrapCmds/ScriptCommand.h

src/c/WrapCmds/ScriptTraitTfms.h

src/c/WrapCmds/ScriptTraits.h

src/c/WrapCmds/TestCommands.cpp

src/c/mph/preproc_helper.h