First, (as silly as it is), 'cd' is not yet implemented, as that is a shell intrinsic. Second, Firefox stable (46) is currently supported, but something has ch

First, (as silly as it is), 'cd' is not yet implemented, as that is a shell intrinsic. Second, Firefox stable (46) is currently supported, but something has changed in the nightly that breaks us. It should be simple to track down, but in the meantime using almost anything other than FF nightly should work! (Safari, Gnome Web, Chrome{,ium}, IE Edge).