Update Server.php

Merge pull request #319 from justmd5/master

解决 Symfony\Component\Debug\Exception\FatalErrorException 不存在的问题

Merge pull request #311 from Hanson/analysis-0g10Ge

Apply fixes from StyleCI

Merge pull request #296 from Hanson/analysis-zd5Dmb

Apply fixes from StyleCI

Update Multimedia.php

Merge pull request #285 from forkgroup/patch-1

Fixed  Access level to Hanson\Vbot\Contact\Groups::add()

Update ExceptionHandler.php

Update composer.json

Update README.md

Update Server.php