Added HasEsp32 and KeyRev

[pscheidler]

https://midetech.atlassian.net/browse/EF-171

[codecov-commenter]

Codecov Report

Merging #116 (e1905e1) into develop (bc383b3) will increase coverage by 0.06%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop     #116      +/-   ##
===========================================
+ Coverage    74.17%   74.23%   +0.06%     
===========================================
  Files           10       10              
  Lines         3647     3757     +110     
===========================================
+ Hits          2705     2789      +84     
- Misses         942      968      +26     

Impacted Files	Coverage Δ
idelib/importer.py	62.09% <0.00%> (+5.39%)	⬆️

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[StokesMIDE]

We were also talking about a HwCustomRev element... Does the existing HwCustomStr element address this, and we just forgot about it? Or does it have a slightly different role?