What does this implement/fix? Explain your changes.

This request contains the changes from #523 and adds some additional testing as requested in the comments on that request

Does this close any currently open issues?

Issue #475

Any other comments?

...

Checklist

Check all those that are applicable and complete.

• Make sure to include one or more tests for your change
• If an enhancement PR, please create docs and at best an example
• Add yourself to AUTHORS
• Updated the CHANGELOG

(cherry picked from commit 31a4482)

Codecov Report

Merging #693 into master will increase coverage by 0.02%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #693      +/-   ##
==========================================
+ Coverage    76.9%   76.93%   +0.02%     
==========================================
  Files          63       63              
  Lines        5582     5589       +7     
  Branches      890      891       +1     
==========================================
+ Hits         4293     4300       +7     
  Misses        998      998              
  Partials      291      291

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@rickardraysearch @ArvidJB Thank you very much for your contribution and sorry (especially to @rickardraysearch) for the long time until it was finally merged.

Just to clarify, the question I had was a pure lack-of-understanding question, I'm fine if this behaviour (i.e. always traverse exactly one level into the exception chain) if it's consistent with the rest.