Merge pull request rectorphp#3799 from rectorphp/prevent-duplicates

Merge pull request rectorphp#3766 from rectorphp/skip-exception

[PHP 5.5] Skip exception to string by default, probably on purpose

move RectorConfigsResolver to bootstrap, fix paths

composer: remove cs dependency

fix dev deps

lock to stable symplify

Merge pull request rectorphp#3693 from rectorphp/fix-auto-import

fix import of already existing param/var/return type or class annotation

Merge pull request rectorphp#3671 from rectorphp/unused-private-prop

[DeadCode] Skip property used as arg

Merge pull request rectorphp#3663 from rectorphp/skip-date-time-at

[Naming] Make rename property/variable skip date time at convention

[DeadCode] Make RemoveDeadReturnRector skip arrow functions