Yahoo Mail issue is fixed
Back button is created in the first cell of a newly created folder
Options button in Addons window opens Preferences for the main Fast Dial folder.
FD toolbar button is automatically added to toolbar upon installation (only once).
Also the button has a drop-down menu with a list of folders for quick access to them.
Context menu is reorganized:
-- "Preferences" menu item is shown only when clicking on a free space
-- "Add" menu item is shown when right-clicking on an empty cell
-- "Back" menu item is removed