Merge pull request #12 from spipu/master

add symfony 4 compatibility

Merge pull request #11 from marcojanssen/new-filename-after-original-…

…filename

Newer log format has new filename after original name

Merge pull request #10 from marcojanssen/git-diff-format

Support for newer git name-status format

perform git fetch before checkout

Merge pull request #4 from webcreate/better-event-handling

improved event data

added branch to git pull call

removed faulty executable check

fixed undefined index notice

optimized git how cloning and checking out is handled

made dependend on webcreate/util 1.*, ran composer update