Extend from AbstractController to be compatible to Symfony 6

Update service.yml

- fix typo

Update service.yml

- make services public

Merge pull request ScullWM#9 from jbfewo/master

Add Symfony4 support

Make MailgunApiService working (ScullWM#8)

* Update Mailgun events to actual API
* Fix data field for Mailgun

Update Mailgun events to actual API (ScullWM#7)

Remove deprecated scope & upgrade minimum version to Symfony 2.8 (Scu…

…llWM#6)

Fix deprecation of request service, upgrade minimum symfony version t…

…o 2.4 (#4)

Allow sf3 usage and remove fos user bundle requirement

Update README.md (#2)

Fix spelling