def getcfgitembool(self, cfgname, defaultifnone = None):
        item = self.getcfgitem(cfgname)
        if item is None:
            return defaultifnone
        return bool(item.lower() == "true")
Compare-And-Set update for multiple keys.
dataset/ETHPy150Open coreemu/core/daemon/core/session.py/Session.getcfgitembool--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/memcache/__init__.py/Client.cas_multi