public String parseCommand(String input)
	{
		String[] args = input.split("\\s+");
		String command = args[0].toLowerCase();
		String result = "";
		switch (command) {
		case "get":
			result = getString(args);
			break;
		case "set":
			result = setString(args);
			break;
		case "getbit":
			result = getBit(args);
			break;
		case "setbit":
			result = setBit(args);
			break;
		case "save":
			PersistData.save();
			result = "";
			break;
		case "zadd":
			result = zadd(args);
			break;
		case "zcard":
			result = zcard(args);
			break;
		case "zrange":
			result = zrange(args);
			break;
		case "zcount":
			result = zcount(args);
			break;
		default: result = "ExoRedis does not support this command.";
		
		}
		
		return result;
	}