How do you add dividers to a status bar menu in code? E.g.
let menu = NSMenu()
let editMenuItem = NSMenuItem()
editMenuItem.title = "Preferences..."
menu.addItem(editMenuItem)
let quitMenuItem = NSMenuItem()
quitMenuItem.title = "Quit"
menu.addItem(quitMenuItem)
self.statusBarItem.menu = menu
In this example, I'd like to add a divider between the first and second items.