[Serusers] acc module with mysql support

[Grigory Fishilevich]

hi, 

thank you very mutch! 

>  modparam("acc", "db_url", "sql://ser:heslo@localhost/ser")
>  modparam("acc", "db_flag", 1)
>  //See if you put "log_flag", in this case you are logging in syslog.

this was my error, i have not unterstand what log_flag means syslog
and db_flag means sql.

it works! 
many thanks. 

bg,
Grigory