QoS option not taken into account

[Madeliine]

Hi!
I tried to use your program and I wanted to use the option of QoS. It wasn't working, so looking into the source code I realized that for subscription, QoS isn't taken into account. And for publishing command, the QoS seems to be overwritten by the value '1'. I think there's not much missing in the code for it to work, since after few changes it seems to work better! Would it be possible to make an official working version?
Thanks :)

[Madeliine]

Hi, I can do a pull request for that if you want, it is just a few changes.