Improve error and debug messages

[staadecker]

Fixes #218

[github-actions]

Lines Of Code

Language	Files	Lines	Code	Comments	Blanks	Complexity	Bytes
Python	49	8799 (+72)	7874 (+51)	362 (+8)	563 (+13)	326 (+8)	316.8K (+2.1K)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.57%. Comparing base (6c626cc) to head (e845200).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #219      +/-   ##
==========================================
+ Coverage   96.55%   96.57%   +0.02%     
==========================================
  Files          10       10              
  Lines        1537     1549      +12     
==========================================
+ Hits         1484     1496      +12     
  Misses         53       53              

Flag	Coverage Δ
smart-tests	96.57% <100.00%> (+0.02%)	⬆️

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