def set(self, key, exp, flags, val):
        return self._mutate(memcacheConstants.CMD_SET, key, exp, flags, 0, val)
overrode for easy comparison of AppVersion to AppVersion and Version
dataset/ETHPy150Open dustin/memcached-test/mc_bin_client.py/MemcachedClient.set--crossover with--dataset/ETHPy150Open OrbitzWorldwide/droned/droned/lib/droned/models/app.py/AppVersion.__cmp__