Additional logging, fix blinksync json

[mkmer]

Add file update

Description:

Add a bit of error description to the log files - should help with detecting "why" responses failes
Add file save at exit to blinksync.py saving ALL info for next use.

Related issue (if applicable): fixes #

Checklist:

• Local tests with tox run successfully PR cannot be meged unless tests pass
• Changes tested locally to ensure platform still works as intended
• Tests added to verify new code works

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (14c3a4f) 99.86% compared to head (a4c57f5) 99.86%.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #844   +/-   ##
=======================================
  Coverage   99.86%   99.86%           
=======================================
  Files           8        8           
  Lines        1464     1464           
=======================================
  Hits         1462     1462           
  Misses          2        2           

Flag	Coverage Δ
unittests	99.86% <100.00%> (ø)

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