
1.1.0

- fixed a bug - when animating the list items individually the submenu was
    not considered "animated";
- fixed a bug - TODO - (check if applicable) another safe check towards the need of
    opening a menu was added
    
- fixed a bug - the 'opened' class for the buttons was not removed when closing the menu 
    from the other submenu buttons when only a single submenu is allowed

- added - a callback defining the html for the generated buttons;