Updated translations from transifex.
Bugfix: Change a function parameter from a simple string to an array. Without this the attribute is not able to save the values.
Strip html tags and support inserttags
Change translation reference
The config now does "deep assignments"
See https://github.com/MetaModels/core/issues/193
Improve the "is unique" check. Add a conditions to remove the current value from the list. See #5.
Merge remote-tracking branch 'origin/dev' into contao3
First iteration of Contao 3 compat with namespaces.