* add extended nonce debugging
* switch to semaphore for job timing
* clean up nonce debugging. hardcode 1366 job interval to 2s and show when new jobs are sent
* set nonce range to 0x0F0000 set job interval to 20s. better stratum debugging,
* testing out longer intervals on 1368
* looking at exact serial commands sent
* fix log value digit count
* add core from nonce debug
* set BM1366 initial chip difficulty to 32
* add version rolling debug
* improve debug printing again
* fix diff
* fix core_id extraction
* printf fix
* debug cleanup
* setup BM1368 for testing. reg10 to S21 default, job interval @ 0.5s
* set init diff on 1366 and 1368 back to 256
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Co-authored-by: Georges Palauqui <g.palauqui@gptechinno.com>