                                                    multiplier: m,
                                                    constant: c)
     }
-    
+
+    /// Helper method to facilitate the creation of trailing space constraints
     class func trailingSpaceConstraint(fromView: UIView, toView: UIView, relation: NSLayoutRelation,
                                               multiplier m: CGFloat, constant c: CGFloat) -> NSLayoutConstraint {
         

                                                   multiplier: m,
                                                   constant: c)
    }
    
    class func centerHorizontallyConstraint(fromView: UIView, toView: UIView, relation: NSLayoutRelation,
                                                   multiplier m: CGFloat, constant c: CGFloat) -> NSLayoutConstraint {
        

                                                   constant: c,
                                                   itemUsingAutoLayout: fromView)
    }

    /// Helper method to facilitate the creation of top space constraints
    class func topSpaceConstraint(fromView: UIView, toView: UIView, relation: NSLayoutRelation,
                                         multiplier m: CGFloat, constant c: CGFloat) -> NSLayoutConstraint {
        
