TCP_IP packets. ISO codes for countries, currencies and languages

The next protocols and specification message parsers were done and available to use on the site:
- AMEX GCAG - American Express, Global Credit Authorization Guide (GCAG), message;
- ATOS MAPS - ATOS Worlwide, Contactless EP Interface Definition, TLVs;
- ISO 18245 - Retail financial services, Merchant category codes (MCC), N4;
- ISO 3166-1 - ISO, Codes for the representation of names of countries and their subdivisions - Part 1, Country codes, A2 A3 AN3 N3 N4;
- ISO 4217 - ISO, Codes for the representation of currencies and funds, A3 AN3 N3 N4;
- ISO 639 - ISO Codes for the Representation of Names of Languages, A2 A3B A3T;
- Mark II - SafeNet, Luna EFT, Mark II Edition, request/response message;
- RFC 791 - The Internet Protocol (IP) message packet;
- RFC 793 - Transmission Control Protocol (TCP) message packet;

Some tools were developed but not yet shared, they could be available as independent modules with API:
- Acquirer ECHO host emulator, based on used acquirer message definition.