Report a Python object's fully qualified class name correctly * oct-py-util.cc (pytave::py_object_class_name): Return the correct fully qualified class name, including module prefix. (pytave::is_py_kwargs_argument): Check for class name "__main__._OctaveKwargs". * __py_struct_from_dict__.cc (F__py_class_name__): New function. * @pyobject/methods.m (pyobject.methods): Use __py_class_name__. * @pyobject/pyobject.m (pyobject.class): Likewise.