def from_xml_string(xml, element_name = default_element_name)
        xml_doc = Nokogiri::XML(xml)
        from_xml_doc(xml_doc.at_xpath("./#{element_name}"))
      end
def from_xml_string(xml, element_name = default_element_name)
        xml_doc = Nokogiri::XML(xml)
        from_xml_doc(xml_doc.at_xpath("./#{element_name}"))
      end
:nodoc:
TODO TEST THIS CRAP