code: private Document getFogbugzDocument(Map<String, String> parameters) throws IOException, ParserConfigurationException, SAXException {
          URL uri = new URL(this.mapToFogbugzUrl(parameters));
          HttpURLConnection con = (HttpURLConnection) uri.openConnection();
          DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
          DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
          return dBuilder.parse(con.getInputStream());
      }
docs: Fetches the XML from the Fogbugz API and returns a Document object
  with the response XML in it, so we can use that.