Added SIC support (2.1.1 specification, page 210)
Added AVAILBAL support
Added CREDITCARDMSGSRSV1/CCSTMTTRNRS/CCSTMTRS/CCACCTFROM support
Added SIGNONMSGSRSV1 - FI and LANGUAGE support
Merge branch 'master' of https://github.com/deltadd/ofx into deltadd-master