If you try to log in without a valid account, it will echo out a message that says Account not found.
Hmm… it was just hanging earlier, as described. I tried again just now and it worked.
The basic functionality seems to be there, though the overall site seems rather unfinished. I haven’t looked into much beyond that… what sort of feedback are you interested in?
The passwords are encrypted.
Then why arbitrarily limit what characters can be used?