Selectively ignore certain types when wrapping attributes.

        :param class type: The class/type definition to ignore.

        :rtype list(type): The current list of ignored types

def wrapper__ignore(self, type_):
        """
        Selectively ignore certain types when wrapping attributes.

        :param class type: The class/type definition to ignore.

        :rtype list(type): The current list of ignored types
        """
        if type_ not in self.__exclusion_list:
            self.__exclusion_list.append(type_)
        return self.__exclusion_list