rename candoverifypin in can_do_verify_pin and candomodifypin in can_do_modify_pin
rename candoverifypin in can_do_verify_pin
and candomodifypin in can_do_modify_pin

LudovicRousseau/pyscard,moreati/pyscard,LudovicRousseau/pyscard,LudovicRousseau/pyscard,moreati/pyscard,moreati/pyscard