title: URL processing in erlang
body: <p>Is there a ready-to-use erlang library for processing URLs with following functionality:</p>
  
  <ul>
  <li>Extraction of scheme, domain, path, and file parts from the URL</li>
  <li>Path concatenation</li>
  <li>Resolving <code>.</code> and <code>..</code> path elements</li>
  </ul>
  
  <p>More lightweight ones are more preferable.</p>