- Update to 1.6:
* Changed slightly how the XFF field is specified. See man page for details.
* Ensure city is displayed with the DBIP City Lite database.
* Ensure no 'cleaning up resources' message is displayed if `--no-progress`
is passed.
* Ensure the maximum number of items per panel defaults to 1440 (24hrs) when
passing `--date-spec=min`.
* Fixed issue when parsing a delimited XFF field followed by a host IP.
* Fixed issue where some data was buffered on the WebSocket server before it
was sent to each client.
* Fixed issue where the WebSocket server would fail with POLLNVAL consuming
100% CPU.
* Fixed segfault when attempting to open an unresolved IP on mac/BSDs.