Add Support for Morocco IBANs (plus countries which have "experimental" support for IBANs)

[dsidirop]

For instance this one:

MA64011519000001205000534921

Even though valid it results in country-not-supported

Here's the complete list of countries that need to be supported:

b = National bank code
s = Branch code
c = Account number

Central African Republic 27 23n CFkk nnnn nnnn nnnn nnnn nnnn nnn [CF 42 20001000010120069700160]
Chad 27 23n TDkk nnnn nnnn nnnn nnnn nnnn nnn [TD 89 60002000010271091600153]
Comoros 27 23n KMkk nnnn nnnn nnnn nnnn nnnn nnn [KM 46 00005000010010904400137]
Congo, Republic of the 27 23n CGkk nnnn nnnn nnnn nnnn nnnn nnn [CG 39 30011000101013451300019]
Côte d'Ivoire 28 1a, 23n CIkk annn nnnn nnnn nnnn nnnn nnnn [CI 77 A 12312341234123412341234]
Djibouti 27 23n DJkk nnnn nnnn nnnn nnnn nnnn nnn [DJ 21 10002010010409943020008]
Equatorial Guinea 27 23n GQkk nnnn nnnn nnnn nnnn nnnn nnn [GQ 70 50002001003715228190196]
Gabon 27 23n GAkk nnnn nnnn nnnn nnnn nnnn nnn [GA 21 40021010032001890020126]
Guinea-Bissau 25 2c, 19n GWkk ccnn nnnn nnnn nnnn nnnn n [GW 04 GW1430010181800637601]
Honduras 28 4a, 20n HNkk aaaa nnnn nnnn nnnn nnnn nnnn [HN 54 PISA00000000000000123124]
Morocco 28 24n MAkk nnnn nnnn nnnn nnnn nnnn nnnn [MA 64 011519000001205000534921]
Nicaragua 32 4a, 24n NIkk aaaa nnnn nnnn nnnn nnnn nnnn nnnn [NI 92 BAMC000000000000000003123123]
Niger 28 2a, 22n NEkk aann nnnn nnnn nnnn nnnn nnnn [NE 58 NE0380100100130305000268]
Togo 28 2a, 22n TGkk aann nnnn nnnn nnnn nnnn nnnn [TG 53 TG0090604310346500400070]
Libya 25 21n LYkk bbbs sscc cccc cccc cccc c [LY 83 002048000020100120361]

Source:

https://en.wikipedia.org/wiki/International_Bank_Account_Number#IBAN_formats_by_country