Unable to subscribe to topics using wildcards

[lgrawet]

Hello,

First, thanks a lot for this implementation of mqtt-sn for Loxone. It is far more reliable and also has lot less latency compared to an external gateway.

I noticed a problem with subscription to topics using wildcards. They do not appear in emqx subscription list.
The following doesn't work:

/room/location/+
/room/+/sensor
/room/#
etc

I tried with mqtt-sn-sub client and it worked.

Thanks a lot again

[lgrawet]

For those who are reaching this issue, I've implemented wildcard topics subscription in my fork.
I'm also regularly adding improvement and fixes.