- Update to version 2.7
* New user interface, inspired by mtr. Easier to track multiple
streams and spot gaps in real-time.
* Adjust ulimit so we can open enough sockets to send/receive
multicast.
* Support for adjusting payload length, 42 -> 1648.
* Support for adjusting packet send/poll rate.
* Support for using old UI using -o flag.
* Support any source port in (S,G) joins.
* Greatly improved IPv6 support, portability and multiple groups.
* Dropped -r SEC option, not needed anymore and was misleading.
* Fix #8: Handle IPv6 being disabled, per group and per socket.
* Fix #9: No feedback on receiver when using mcjoin as sender.
* Fix #10: Calculate and show gaps in received groups.