I’d recommend you try the 2.5 binding that Scooter has released. Chamberlain has changed the API several times so perhaps that may be contributing to the 1.x binding issues you are having (I never used that version so I can’t say for certain).
Drop the jar in your addons folder and you should be able to setup a connection with your MyQ credentials right in Paper UI. Once you’ve setup the bridge, your opener should be discovered automatically.