Fixed a bug where usernames were allowed to contain -, but urls.py didn't accept it.
Fixed a bug where usernames were allowed to contain -, but urls.py didn't accept it.

dotKom/studlan,dotKom/studlan,CasualGaming/studlan,CasualGaming/studlan,dotKom/studlan,dotKom/studlan,CasualGaming/studlan,CasualGaming/studlan