  <li>File::Path</li>

    <li>File::Spec::Functions</li>

    <li>File::Spec</li>

    <li>FindBin</li>

    <li>Getopt::Long</li>

    <li>POSIX</li>
  </ul>

  <p>The code management commands and extract system need the following
  additional modules installed:</p>

  <ul>
    <li>File::Temp</li>

    <li>Getopt::Long</li>

    <li>HTTP::Date</li>

    <li>XML::DOM</li>
  </ul>

  <p>To use the simple GUI for some of the code management commands, you also
  need the following modules:</p>

  <ul>
    <li