Update changelog

Update changes

Update change log

Update README

Merge pull request jobbyphp#53 from Swader/patch-1

Update BackgroundJob.php

Apply actual changes for jobbyphp#49

- Merging is hard

Merge remote-tracking branch 'xabbuh/master'

 Conflicts:
	README.md

Revert "Visibility to private, where possible."

This reverts commit f3c4c05.

Merge branch 'SchulteMarkus-master'

Merge branch 'bentinata-master'