Lots of warnings, redefinitions.
TCP is not working (disabled).

Commit refs #831.

Commit refs #831.

Commit refs #827, #831.

- Query creating separated to private function
  axfrin_create_query().

TODO: made the function part of some API - probably query.

refs #800 @15m, #788

- Implemented axfrin_transfer_needed().

TODO: the serial arithmetic needs revision.

refs #800 @30m, #788

refs #800 @15m, #788

- query_init() and query_set_question()

refs #816 @10m

- set_max_size(), header_to_wire(), edns_to_wire() and
  to_wire() moved from response2 to packet.

refs #816 @15m

refs #800

- Wire format is freed if needed (added flag to packet structure).
- Freeing packet structure in nameserver functions.

refs #816 @20m

refs #816 @5m

refs #816 @10m

- This function (or its counterpart response2_init_from_query()
  must be called before doing anything with the response, so that
  the header and size is set well.

TODO: response2_set_max_size() must be called before this function.
      Is this OK?

refs #816 @15m

refs #816 @15m

refs #816 @20m

- Compiles, but is not tested at all.

refs #816 @2h

refs #816

- Debugging disabled.
- packet_is_query() added
- Query type determining using the new packet structure.

refs #816 @15m

refs #816

refs #816 @30m

refs #816 @20m

refs #816

- Parameter stating comparison type.

refs #816 @15m

- Added rrset_compare_no_rdata() API function.

refs #816 @30m

Commit refs #789.

Commit refs #789.

refs #816

- Added functions for checking and getting dname pointer.

refs #816 @0:45