Added missing specification tags support

Added Standard Industrial Code (SIC)
2.1.1 specification, page 210

Added AVAILBAL
2.1.1 specification, page 204

Added CREDITCARDMSGSRSV1/CCSTMTTRNRS/CCSTMTRS/CCACCTFROM
2.1.1 specification, page 305, 207, 190

Added SIGNONMSGSRSV1 - FI and LANGUAGE
2.1.1 specification, page 53, 50