Current Transcoder class does not support all charsets.

[wujku]

I have a problem with windows-1250 charset, mb_convert_encoding does not support it.
Previously, ddeober/transcoder package used iconv in case of mb_convert_encoding threw exception.
Can we restore dependency of ddeober/transcoder package and use Transcoder::decode method from it?

[wujku]

I use PhpMimeMailParser\Parser temporarily, but it need raw message.

try {
    $entity->setText($message->getBodyText());
} catch (Ddeboer\Imap\Exception\UnsupportedCharsetException $e) {
    $parser = new PhpMimeMailParser\Parser();
    $parsedMail = $parser->setText($message->getRawMessage());
    $entity->setText($parsedMail->getMessageBody('text'));
}

[Slamdunk]

ddeober/transcoder is not reliable because doesn't behave in a predictable way, doesn't support aliases and lacks a unified exception set. mb_string is much more flexible and reliable, but I understand it doesn't support all the charsets iconv can provide.

I already have a fix ready, it justneed tests: can you send me the raw message with windows-1250 charset, with every sensitive information deleted please?

[wujku]

@Slamdunk windows-1250.eml.zip

[Slamdunk]

Closed by #238 thank you

[Slamdunk]

Release on 1.0.4.

@wujku Thank you very much for you feedbacks 👍