Prevent PHP8 warning (madeyourday#21)

Update Contao to version 4.13 and 5.0

Fix PHP 8.0 undefined key warning

Copy visibility settings from start element, fixes madeyourday#12

Don’t use Contao classes from the root namespace as type hints, fixes m…

…adeyourday#14

Removed branch alias

Fixed symlink recursion

Added bundle and resources for Contao 4

Fixed bug in stop element creation with ptable

Removed unnecessary param from getContentElement hook