- Update to version 1.6.22
* Fix nfreplay v5 time shift bug
* add support for >=, <= comparators.
* Fix yacc/bison warnings. Cleanup unused tokens
* Fix syntax error 'flags AS' as AS is a reserved word.
* Add element 139 for ICMP type/code in IPv6.
* Fix IPv4/IPv6 statistics representation.
* Cleanup nip/xip filter syntax. Add filter syntax 'nip in
[ ]'.
* Add nfversion to nfpcapd
* Add collected netflow/sflow version in nfdump record.
* Fix GuessDir bug.
* Re-address issue #231 - remove strict rule rfc 7011.