Revert "Explicitly cast Url objects to string"
Revert "Explicitly cast Url objects to string"

This reverts commit ee5aa2d4327699ae80c281c6aebbeaf6f06be269.

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