def concat(urls)
      if !urls.nil?
        converted = urls.map { |url| convert_remote_url( url ) }
        super(converted)
      else
        super(nil)
      end 
    end
def concat(urls)
      if !urls.nil?
        converted = urls.map { |url| convert_remote_url( url ) }
        super(converted)
      else
        super(nil)
      end 
    end
Appends the elements in other_array to self, as standardized URL Hashes