I get the following error when trying to run example.
```
alex@ubuntu:~/simavr$ ./simavr/run_avr tests/atmega88_example.axf
AVR_MMCU_TAG_VCD_TRACE 00c6:00 - UDR0
AVR_MMCU_TAG_VCD_TRACE 00c0:20 - UDRE…
When I use mcu='atmega8' i get: UnkwownAvrError: unknown AVR: atmega8. I use simavr directly and the atmega8 is supported. in my opinion an old version of simavr is used in pysimavr. It would be nice …