Notices when starting workbreeze daemon

When starting Workbreeze PHPD a notice raises. Running _phpDaemon 0.9.0_

```
[PHPD] Notice (userland): Declaration of Workbreeze::onShutdown() should be compatible with AppInstance::onShutdown($graceful = false) in /home/dimon3000/Документы/Работа/Учёба/dromanov-workbreeze/sources/www/applications/workbreeze.php:94
#0  Debug::backtrace() called at [/opt/phpdaemon/lib/Daemon.php:167]
#1  Daemon::errorHandler() called at [/opt/phpdaemon/bin/phpd:53]
#2  {closure}() called at [/opt/phpdaemon/bin/phpd:53]
#3  {closure}()
#4  spl_autoload_call()
#5  class_exists() called at [/opt/phpdaemon/lib/AppResolver.php:99]
#6  AppResolver->appInstantiate() called at [/opt/phpdaemon/lib/AppResolver.php:43]
#7  AppResolver->preload() called at [/opt/phpdaemon/lib/Daemon_WorkerThread.php:82]
#8  Daemon_WorkerThread->run() called at [/opt/phpdaemon/bin/phpd:69]
```