* User management: Rights for a user and group. Used in user and group selections.
* Field management: Web interface
* Collection fields: final remove from entry table
-* Management which fields should be displayed in dashboard
* Use try/catch for mysql stuff
* Better error handling and display while adding / update and delete
* better debug. When debug true, write into log file. -> see if(DEBUG)
* Mass edit of entries
* delete of a collection
-* jdoc formatierung
* sort by filter for collection display
* responsive and breakpoints
* Advanced search. More options and searchable fields