Prevent settings/userexport to be used by anonymous users
Prevent settings/userexport to be used by anonymous users

- Add forbidden exceptions in module methods
- Add runtime exceptions in individual export methods

annando/friendica,annando/friendica,fabrixxm/friendica,friendica/friendica,friendica/friendica,annando/friendica,annando/friendica,tobiasd/friendica,fabrixxm/friendica,tobiasd/friendica,fabrixxm/friendica,tobiasd/friendica,tobiasd/friendica,annando/friendica,friendica/friendica,fabrixxm/friendica,tobiasd/friendica,fabrixxm/friendica,friendica/friendica,friendica/friendica