refs #999 @5m

closes #999 @15m

refs #999 15m

refs #995 @5m

refs #999 @15m

refs #995 @5m

refs #995 @15m

refs #994 @5m

refs #994 @30m

refs #994 @10m

refs #994 @30m

- For now it is used besides the old tree and the contents are
  compared when used.

refs #994 @30m

refs #994 @20m

refs #994 @30m

- Added zone_get_apex().
- Fixed node_set_previous(), node_set_nsec3().

refs #995 @15m

- Added next node and nsec3 referrer pointers to node.
- Setting them in API functions for setting previous and nsec3
  nodes.
- Added API functions
  - dname_set_node()
  - node_get_owner()

TODO: In zone load and zone dump, node->prev and node->nsec3_node
      should be used only via API.

refs #995 @20m

- Getting previous node (non-const) from node.
- A lot of fixes of zone tree, changed some return values, etc.
- Simplified zone_new() + added zone trees to zone.

refs #994 @40m

refs #994 @25m

Not tested, nor compiled, just written down.

refs #994 @1h

- Whole IXFR query should be implemented.
- A lot of testing is needed.

refs #980 @20m

- Adding first and last SOA.

refs #980 @20m

TODO: putting one changeset to the packet.

refs #980 @30m

refs #931 @30m

refs #931

- Basic preparations and parsing.
- Added some checks and TODOs.

refs #931 @30m

refs #977, #978

Commit refs #975, #981.

- Separated adding of SOA and converting to binary.
- Implemented parsing changesets from binary format.
- API for applying changeset to zone.

refs #977 @30m #936 @5m

Added binary data unpacking.

Commit refs #975, #981.

Refs #976 @10m

- Added conversion of SOA RR (missing).
- Added RRSet serialization.

refs #978 @20m