def has_tag? tag
      selected.each do |view|
        return true if view.rmq_data.has_tag?(tag)
      end
      false # tag doesn't exist if we got here
    end
def has_tag? tag
      selected.each do |view|
        return true if view.rmq_data.has_tag?(tag)
      end
      false # tag doesn't exist if we got here
    end
Check if any of the selected has a given tag
 @example
   rmq(my_view).has_tag?(:your_tag) #false
   rmq(my_view).tag(:your_tag)
   rmq(my_view).has_tag?(:your_tag) #true

 @return [Boolean] true if any selection views have tag provided