- added counting of dropped packets sent/received
- duration of main loop on average and max duration

- safety checks on continuous packet mismatch
- lowered all sending timeouts to 5 ms
- better ACK/NACK propagation

Better colours, lines and clearing after hold for loop plots

See merge request hev-sw/hev-sw!52

Sorted last-data into acending row order and improved loop plots

See merge request hev-sw/hev-sw!51