Cb/pre15 update

[claytonpbarrows]

this should update to the latest versions
@jd-lara and/or @rodrigomha, please check the script/4_PowerSimulationDynamics_Examples/*.jl as I had to make a few updates for v0.8.3

[codecov]

Codecov Report

Merging #42 (921bc6b) into master (db71f2f) will not change coverage.
The diff coverage is n/a.

❗ Current head 921bc6b differs from pull request most recent head e973709. Consider uploading reports for the commit e973709 to get more accurate results

@@          Coverage Diff           @@
##           master     #42   +/-   ##
======================================
  Coverage    7.52%   7.52%           
======================================
  Files           3       3           
  Lines          93      93           
======================================
  Hits            7       7           
  Misses         86      86           

Flag	Coverage Δ
unittests	7.52% <ø> (ø)

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[rodrigomha]

The literate_folder of PSID examples are running fine in my local machine. I'll leave some minor comments on the specific lines.

[rodrigomha]

Those two changes of the comments should be it.