patron_fines()

Function:
patron_fines ($cardnum, $pin = NULL)

Purpose:
patron_fines() needs to return an array of detailed charges to the patron's account.

Arguments:
$cardnum : (string) required The patron's library card number.
$pin : (string) optional The patron's PIN number or password.

Expected Result:

Array
(
    [] => Array of account charges/fines (1 for each charge)
        (
            [varname] => (string) Unique variable name used to refer to this charge
            [desc] => (string) Description of the charge
            [amount] => (float) Amount of charge
        )
)