CLOSED: no capital letters in username

[Rolfe]

Xylenix found a bug where if you create an account with any capital letters in the username, you won't be able to log in! We'll fix this as soon as possible. For now it's probably best to just make username and password all lowercase.

[msew]

should be fixed

[Deet]

Is fixed. My name has one Upper case letter and it works