Support parsing nibepi style logs

[elupus]

Allow cli to parse nibepi style logs. They look like these:

Serial: [92,0,2,85,2,8,118,43]
Err adr: [92,0,2,85,2,8,118,43]
Serial: [92,65,201,115,0,251,6,92,65,201,237,0,101]
Err adr: [92,65,201,115,0,251,6,92,65,201,237,0,101]
Serial: [6]
Serial: [92,65,201,183,0,63]
Err adr: [92,65,201,183,0,63]
Serial: [6]
Serial: [92,65,201,242,0,122]
Err adr: [92,65,201,242,0,122]

It's only the serial values that are of interest.

[codecov]

Codecov Report

Attention: 16 lines in your changes are missing coverage. Please review.

Comparison is base (674c3c6) 58.26% compared to head (e2c6222) 57.60%.
Report is 2 commits behind head on master.

Files	Patch %	Lines
nibe/console_scripts/cli.py	0.00%	16 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #136      +/-   ##
==========================================
- Coverage   58.26%   57.60%   -0.67%     
==========================================
  Files          14       14              
  Lines        1198     1210      +12     
==========================================
- Hits          698      697       -1     
- Misses        500      513      +13     

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