More features and tests

[sirewix]

Closes #33

[mzaniolo]

It looks good to me.
Have you seen the crate humantime_serde. It seems to do something similar to what we are doing with the duration

[sirewix]

It looks good to me.
Have you seen the crate humantime_serde. It seems to do something similar to what we are doing with the duration

It's better to have it as a type and not a "return type of function inside a module specified in serde_with macro attribute". Such typefulness allows to have proper json schema definitions, for example

[codecov]

Codecov Report

❌ Patch coverage is 60.00000% with 30 lines in your changes missing coverage. Please review.
✅ Project coverage is 67.89%. Comparing base (156dd93) to head (f7e2f1b).
⚠️ Report is 5 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/lib.rs	0.00%	27 Missing ⚠️
src/level_filter.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #35      +/-   ##
==========================================
+ Coverage   61.27%   67.89%   +6.62%     
==========================================
  Files           6        6              
  Lines         346      380      +34     
==========================================
+ Hits          212      258      +46     
+ Misses        134      122      -12     

Files with missing lines	Coverage Δ
src/duration.rs	84.69% <100.00%> (+39.01%)	⬆️
src/level_filter.rs	68.08% <0.00%> (+11.94%)	⬆️
src/lib.rs	64.55% <0.00%> (-33.52%)	⬇️

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