[feladat @ 308] Bugfix: when not all data was entered correctly when creating a new user, an error was displayed, but the user still was created. Bugfix: A possible privilege escalation has been reported by Pim Rupert. This has also been adressed.

CHANGELOG

Please see <https://www.poweradmin.org/trac/wiki/News/Poweradmin2.1.0Released>.