ovided through the use of branches.</p>

      <p>The open source web-based tool <a href=
      "http://trac.edgewall.org/">Trac</a> allows changes to be examined and
      documented. It provides an integrated issue tracker, wiki and repository
      browser.</p>
    </dd>

    <dt>Build System</dt>

    <dd>
      <p>This system allows source code to be compiled with a minimal amount of
      configuration. Compilation time can be minimised through the use of
      pre-compiled code and by using the paral