broken in Firefox 20 Rated 1 out of 5 stars

This addon doesn't always work in Firefox 20 (currently in Aurora). I emailed the listed address last month but have not gotten a response, so posting here in the hopes that this extension is not abandoned. The Error Console has exceptions which indicate that it may be due to an async API change (see Mozilla bug 760036).

This review is for a previous version of the add-on (