not work korrekt Rated 3 out of 5 stars

in My TB 3.0 Works just This Version:
http://downloads.mozdev.org/xsidebar/mods/folderpane_tools-0.0.5.1-mod.xpi

Download from here: http://xsidebar.mozdev.org/modifiedmailnews.html#folderpanetools

The Version of Addonwebsite: https://addons.mozilla.org/de/thunderbird/addon/258
Make a XML Parse Error !

This review is for a previous version of the add-on (0.0.5.1).