def prev(*working_selectors)
      normalize_selectors(working_selectors)

      filter do |view|
        if sv = view.superview
          subs = sv.subviews
          location = subs.index(view)
          if location > 0
            subs[location - 1]
          end
        end
      end
    end
def prev(*working_selectors)
      normalize_selectors(working_selectors)

      filter do |view|
        if sv = view.superview
          subs = sv.subviews
          location = subs.index(view)
          if location > 0
            subs[location - 1]
          end
        end
      end
    end
@return [RMQ] Sibling above the selected view(s) (in the subview array)

 @param selectors

 @example
   rmq(my_view).prev.hid
   rmq(my_view).prev(UITextField).focus