John W. Long

Briefly, it looks like you are having trouble loading the mailer and settings extensions. I would recommend uninstalling those and trying again. BTW, the bespin_editor extension on runs on 0.9...

I'm not opposed to this. See if you can get it worked out and send a pull request.

About a year after I put this together, Trello launched their own Desktop app. See: https://apps.apple.com/app/trello/id1278508951?ls=1&mt=12