Changes: - added some type-hints - fixed some documentation (void is lately returned, not null) - added some documentation
Changes:
- added some type-hints
- fixed some documentation (void is lately returned, not null)
- added some documentation

friendica/friendica,annando/friendica,annando/friendica,annando/friendica,annando/friendica,friendica/friendica,friendica/friendica,friendica/friendica,friendica/friendica,annando/friendica