To get a proper Level 2 support, nothing has changed, since Leonardo hasn't cared to reply to our (multiple) requests, sent to multiple email addresses, including the one listed as support on their website. They are the only developer that hasn't replied so far...
To get it working, a GSX.CFG file has been posted in the Sharing area a while ago. That file will allow to use the Maddog, the only limitation will be that custom doors will be ignored, so GSX won't wait for the doors to be open.