This way we can have optional fields like pin_adm in the file
Also require iccid as identifier for the SIM card
Set defaults for optional card parameters.
Change-Id: I0d317ea51d0cf582b82157eec6cdec074001a236
The smsc no. programmed by pySim-prog would always be a national number
in the past. Check whether the first 'digit' is a + and indicate that it
is an international number.
Change-Id: Ia79913f5b0307e9786a5acea75c0811927be2eef