~bitfehler/hdig

Update README to point to Paw DNS
Be diligent (again) about freeing memory...
Support PTR and SSHFP record types
Fix license file naming
Be diligent about freeing memory
Add flags to restrict to IPv4/IPv6 only
Add support for CAA records
Also print additional resource records
Support more query types
Initial release

Signed-off-by: Conrad Hoffmann <ch@bitfehler.net>