Yea... ok well i updated dbus-switchboard to 1.2.6 which includes this fix... i will release to my repo tomorrow if no bugs are found.

Download link in first post.

Changelog :
- Added mime type for application/x-cbr (cbr comics)
- Added CbrReader as handler for cbr files
- Fixed transmission handler to use a more reliable param encoding
- Added maemo-mapper as handler
- Added xref for GPX files to use maemo-mapper (seems to want very latest version of maemo-mapper to work)