Thanks for this great Addon! I don't know if this a bug or if I am to dumb ... Under features on the homepage there's listed: > If you focus to the tab bar, Ctrl-Up/Down/Right/Left can be used to modify tree. This doesn't work for me. I click on a Tab and try moving it around in the tree with Ctrl-Up/Down/Right/Left. Tree Style Tab 0.14.2014051101 Firefox 32.0.3 on Windows 8.1