def _nextTag(self):
        self._counter += 1
        return '%x' % (self._counter,)
Sets an instance of :class:`AuthStore` in the app registry.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/protocols/amp.py/BoxDispatcher._nextTag--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/webapp2-2.3/webapp2_extras/auth.py/set_store