private static function encodeBoolean($bool)
    {
        if ($bool)
        {
            return self::encodeFirstByte(MajorType::SIMPLE_AND_FLOAT, AdditionalType::SIMPLE_TRUE);
        }
        else
        {
            return self::encodeFirstByte(MajorType::SIMPLE_AND_FLOAT, AdditionalType::SIMPLE_FALSE);
        }
    }