Fix deprecations, add warning for Contains

[JuanTecedor]

This PR fixes the deprecation warnings of the comparison operators.

Unsure as if with Contains we should also update the dict field, not just emit a warning.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.98%. Comparing base (570066e) to head (8bec9b7).
Report is 10 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #377      +/-   ##
==========================================
+ Coverage   92.94%   92.98%   +0.04%     
==========================================
  Files          27       27              
  Lines         751      756       +5     
==========================================
+ Hits          698      703       +5     
  Misses         53       53              

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[Kamforka]

Looks perfect, only thing missing is the commit signs. Can you try and fix that please?

[JuanTecedor]

Thanks @Kamforka. Signatures should be fixed now