public string[] GeoHash(string key, params string[] members)
{
if (key == null)
throw new ArgumentNullException("key");
var cmdWithArgs = MergeCommandWithArgs(Commands.GeoHash, key.ToUtf8Bytes(), members.Map(x => x.ToUtf8Bytes()).ToArray());
return SendExpectMultiData(cmdWithArgs).ToStringArray();
}