Method zget

RedisStudio/SSDB/SSDB_impl.cpp:349–353

Status ClientImpl::zget(const std::string &name, const std::string &key, int64_t *ret){
	const std::vector<std::string> *resp;
	resp = this->request("zget", name, key);
	return _read_int64(resp, ret);
}

Status ClientImpl::zset(const std::string &name, const std::string &key, int64_t score){
	std::string s_score = str(score);