[Interest] Adding 'raw' queries to a QUrlQuery

[Guido Seifert]

> > I think if QNetworkAccessManager and related classes are supposed to be the
> > main handlers to send and receive network traffic, it must be possible to
> > have 100% control over every single bit, which goes over the line.
> 
> See https://codereview.qt-project.org/47395

Great. Seems to get in its final phase, soon. Your last comment: 'You can't insert here...'. Dammit, I would never have seen this. :-)

Guido