message: Fixed empty user-agent on logs
diff: @@ -250,7 +250,7 @@ function printLog(log) {
  data =
  `REQ "${obj.method} ${obj.uri} ${obj.protocol}"` +
  ` ${obj.remoteAddr} - ${obj.remoteUser || ''}` +
  - ` "${obj.referer || ''}" "${obj.userAgent}"`
  + ` "${obj.referer || ''}" "${obj.userAgent || ''}"`
  } else if (log.type === 'response') {
  data =
  `RES "${obj.method} ${obj.uri} ${obj.protocol}"` +
  