Refactored obj.go to a more generic approach
Added object support for already implemented expressions
Added test for limit object
Small lint changes
Fixes https://github.com/google/nftables/issues/253
* Unmarshal Exthdr and support DestRegister/Flags for reads
Some fields in Exthdr are context-sensitive. Mixing unexpected fields
will result in EOPNOTSUPP.
* Fix order in which Exthdr attributes are written
turekt
thediveo
Ben de Graaff
Michael Stapelberg