anchor.diff:    // Nicks that are not logged in will be placed here
     final List<String> _rejected = [];
   
  -  // Current account that is being authenticated
  -  String _account;
     Completer _completer;
   
     Auth(this.network, this.client) {
  
positive.code:    * Handles the queue one account at a time.
     */
    void _authenticate() {
      if (_account != null) {
        throw new Exception("Authentication already in process");
      }
      _account = _queue.first;
      client.send("WHOIS $_account");
    }
  
    void _process(IRC.WhoisEvent event) {
  
negative.code: 
    void _done(String data) {
      if (_completer != null) _completer.complete(data);
      _completer = null;
      _queue.removeFirst();
      if (_queue.length > 0) _authenticate();
  