code: protected String getVersion() throws IOException {
          InputStream stream = null;
          try {
              Properties version = new Properties();
              stream = Cob2XsdMain.class.getResourceAsStream(VERSION_FILE_NAME);
              version.load(stream);
              return version.getProperty("version");
          } finally {
              if (stream != null) {
                  stream.close();
              }
          }
      }
docs: Pick up the version from the properties file.
  
  @return the product version
  @throws IOException if version cannot be identified