Other tests:
 - verify_iban() test #0... OK.
 - verify_iban() test #1... OK.
 - verify_iban() test #2... OK.
 - verify_iban() test #3... OK.
 - verify_iban() test #4... OK.
 - SWIFT official check for 'AA'... OK.
 - SWIFT official check for 'VG'... OK.
 - iban_to_human_format() test #0... OK.
 - iban_to_human_format() test #1... OK.
 - iban_to_human_format() test #2... OK.
 - iban_get_nationalchecksum_part() test #0... OK.
 - iban_get_nationalchecksum_part() test #1... OK.
 - iban_get_nationalchecksum_part() test #2... OK.
 - iban_country_get_iana() test #0... OK.
 - iban_country_get_iana() test #1... OK.
 - iban_country_get_iana() test #2... OK.
 - iban_country_get_iana() test #3... OK.
 - iban_country_get_iana() test #4... OK.
 - iban_country_get_iana() test #5... OK.
 - iban_country_get_iso3166() test #0... OK.
 - iban_country_get_iso3166() test #1... OK.
 - iban_country_get_iso3166() test #2... OK.

Testing example IBANs by country...
 - by-ibans... ok
 - cg-ibans... FAILED.
================ output was ===================
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CG3930013020003710721836132 ... ok (but national checksum FAILED! expected '166', contains '32'. bank code is '30013')
CG3930011000101013451300019 ... ok (but national checksum FAILED! expected '70', contains '19'. bank code is '30011')
CG 39 30013 02000 37107049649/22 ... ok (but national checksum FAILED! expected '156', contains '22'. bank code is '30013')
CG 39 30014 00001 0120368360135 ... ok (but national checksum FAILED! expected '167', contains '35'. bank code is '30014')