     
     :returns: Returns the UIButton instance
     */
-    public convenience init(frame: CGRect, title: String?, backgroundImage: UIImage? = nil, highlightedBackgroundImage: UIImage? = nil)
+    public convenience init(frame: CGRect, title: String, backgroundImage: UIImage? = nil, highlightedBackgroundImage: UIImage? = nil)
     {
         self.init(frame: frame)
         self.frame = frame

    }
    
    /**
    Create an UIButton in a frame with a color
    
    :param: frame Button's frame
    :param: image Button's color, the highlighted color will be automatically created
    
    :returns: Returns the UIButton instance
    */

    }
    
    /**
    Create an UIButton in a frame with an image
    
    :param: frame            Button's frame
    :param: image            Button's image
    :param: highlightedImage Button's highlighted image
    
    :returns: eturns the UIButton instance
    */
