refactor: Switched console print to logging.info

[frgfm]

This PR introduces the following modifications:

• reordered imports
• changed console print to logging.info for a cleaner history of events on the device
• fixed a comment that was added as a bare string

Any feedback is welcome!

[codecov]

Codecov Report

Merging #58 (36082ff) into master (ee34cd8) will increase coverage by 0.17%.
The diff coverage is 57.14%.

@@            Coverage Diff             @@
##           master      #58      +/-   ##
==========================================
+ Coverage   63.72%   63.90%   +0.17%     
==========================================
  Files          10       10              
  Lines         204      205       +1     
==========================================
+ Hits          130      131       +1     
  Misses         74       74              

Flag	Coverage Δ
unittests	63.90% <57.14%> (+0.17%)	⬆️

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Impacted Files	Coverage Δ
pyroengine/pi_utils/reboot_router.py	0.00% <ø> (ø)
pyroengine/engine/engine.py	54.28% <57.14%> (+0.66%)	⬆️

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[fe51]

Hi FG ! Thanks for the PR !