code: private static boolean hasToGenerateDocumentation(File script) {
          if (script.exists()) {
              String scriptDocFileName = script.getName().substring(0, script.getName().length() - 3);
              scriptDocFileName += "-steps-doc.xml";
              File scriptDocFile = new File(script.getParentFile(), scriptDocFileName);
              return !scriptDocFile.exists() || scriptDocFile.lastModified() <= script.lastModified();
          }
          return false;
      }
docs: Checks if the documentation related to the script is outdated.<br/>
  The documentation is outdated for a script <b><i>scriptName</i>.py</b> if:
  <ul>
  <li>the documentation file <b><i>scriptName</i>-steps-doc.xml</b> doesn't exist
  <li>the documentation file last modification date is older than the script last modification date.
  </ul>
  
  @param script The script to check.
  @return <code>true</code>if the script exist or if the documentation is outdated.