Add data into the a storage area provided by the framework.

        Note: The data is stored with the thread local instance.

        :param name: name of the data to be stored
        :param obj: data to be stored

        For return value and errors see StackInABox.into_hold()

def hold_onto(cls, name, obj):
        """Add data into the a storage area provided by the framework.

        Note: The data is stored with the thread local instance.

        :param name: name of the data to be stored
        :param obj: data to be stored

        For return value and errors see StackInABox.into_hold()

        """
        logger.debug('Holding on {0} of type {1} with id {2}'
                     .format(name, type(obj), id(obj)))
        local_store.instance.into_hold(name, obj)