def get(self, key, default=None, nested=False):  #TODO: Mutable default.. copy?
        logger.debug("Searching for %s (nested:%s)", key, nested)
        if nested:
            return self._get_nested(key, default)
        else:
            return self._get_first(key, default)
Retrieve a config key from the first config that has it.
dataset/ETHPy150Open koenbok/Cactus/cactus/config/router.py/ConfigRouter.get