them.

which can cause invalid HTML.

columns that had been renamed

side.

apply to any authentication method, not just internal.

being for internal authentication only. Removed some unnecessary debug
lines.

suspension is an internal-only thing. Changed the change_password function
to take a username instead of a user object. Moved the is_username_valid
function nearer to the bottom, as it's not part of the authentication api
as such.