hey you updated the git repo while i was making a patch:
http://paste.ubuntu.com/624849/or
55c55
< $authPin = (int) $_POST["authPin"];
---
> $authPin = (string) $_POST["authPin"];
89c89
< if(!is_int($authPin)){
---
> if(!is_numeric($authPin)){
in register.php
This makes it so your pin can start with zero. or 2 zeros. or 3. this affected 2 out of three people on my new pool already :-p