| Username: no longer than 20 chars, no shorter than 3 chars. |
| Email: must be valid. you might have to get validated via e-mail. |
| Password: no longer than 30 chars, no shorter than 5 chars. |
| Username: no longer than 20 chars, no shorter than 3 chars. |
| Email: must be valid. you might have to get validated via e-mail. |
| Password: no longer than 30 chars, no shorter than 5 chars. |