Returns the title for the inputed url.
        
        :param      url | <str>
        
        :return     <str>

def titleOf(self, url):
        """
        Returns the title for the inputed url.
        
        :param      url | <str>
        
        :return     <str>
        """
        for m_url, m_title in self._stack:
            if url == m_url:
                return m_title
        
        return nativestring(url).split('/')[-1]