def __iter__(self):
        for x in self.config.__iter__():
            yield x
        for x in self.__dict__['unsaved'].__iter__():
            yield x
Builds a url to a gravatar from an email address.
dataset/ETHPy150Open meejah/txtorcon/txtorcon/torconfig.py/TorConfig.__iter__--crossover with--dataset/ETHPy150Open twaddington/django-gravatar/django_gravatar/helpers.py/get_gravatar_url