This version updates treestat to use the newest API. See https://bugzilla.mozilla.org/buglist.cgi?quicksearch=1181153 for details.

Version 0.2 converts the gems to a toolbar item, in preparation for the Australis release. A key consequence of this change is that users must now manually add the gems to their status bar or toolbar for it to appear.

This version also adds experimental support for Thunderbird.