docs: function parseAuth(auth) {
    var parts = auth.split(':');
    if (parts[0] && !parts[1]) return ['wait1|t' + parts[0]];
    if (!parts[0] && parts[1]) return ['wait1|t' + parts[1]];
    if (!parts[0] && !parts[1]) return [];
    return ['wait1|b' + (new Buffer(auth)).toString('base64')];
  }