owncloud/core — pull request #4818 by blizzz (2013-09-12 10:54:01+00:00)
Title: Fix 4802 – with certain group names user management is effectively unsable

to String conversion was removed i https://github.com/owncloud/core/commit/cd7e57e8ec64ffef8faec750ebffbdc6138ec9a0 which lead to this problem.

Reviewers please @karlitschek @ringmaster @DeepDiver1975 or others