Menu : Fixed support for functools.partial( classMethod ) commands.
Menu : Fixed support for functools.partial( classMethod ) commands.

This was broken by 6b7851c77aabdc7f66f57b5495073304d8003562, which manifested itself as the node "Set Color..." command not working any more.

hradec/gaffer,goddardl/gaffer,chippey/gaffer,johnhaddon/gaffer,ImageEngine/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,andrewkaufman/gaffer,goddardl/gaffer,lucienfostier/gaffer,hradec/gaffer,chippey/gaffer,johnhaddon/gaffer,hradec/gaffer,appleseedhq/gaffer,appleseedhq/gaffer,ivanimanishi/gaffer,goddardl/gaffer,andrewkaufman/gaffer,appleseedhq/gaffer,johnhaddon/gaffer,ImageEngine/gaffer,hradec/gaffer,GafferHQ/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,chippey/gaffer,appleseedhq/gaffer,chippey/gaffer,lucienfostier/gaffer,boberfly/gaffer,johnhaddon/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,GafferHQ/gaffer,ivanimanishi/gaffer,ivanimanishi/gaffer,boberfly/gaffer,boberfly/gaffer,goddardl/gaffer,lucienfostier/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,hradec/gaffer,GafferHQ/gaffer,boberfly/gaffer,ivanimanishi/gaffer