                     <div>
                        <h4>Return Value</h4>
                        <p>A sign or nil if value cannot be found.</p>

                      </div>
                    </section>
                  </div>
                </li>
              </ul>
            </div>
          </section>
        </section>
        <section id="footer">
          <p>&copy; 2015 <a class="link" href="https://github.com/tomkowz/Swifternalization" target="_blank" rel="external">Tomasz Szulc</a>. All right