Add error handling to call and transact.

[slundqui]

This PR wraps web3py exceptions with another exception that adds contract call information. This information can then be used to e.g., create a crash report. Note the thrown wrapped exceptions can be caught with both the original web3 exception and the new PypechainCallException.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 54.04313% with 341 lines in your changes missing coverage. Please review.

Project coverage is 70.06%. Comparing base (f9d292c) to head (01a33ff).

Files with missing lines	Patch %	Lines
...ain/test/return_types/types/ReturnTypesContract.py	54.08%	73 Missing ⚠️
...est/overloading/types/OverloadedMethodsContract.py	51.00%	49 Missing ⚠️
pypechain/test/structs/types/StructsAContract.py	26.19%	31 Missing ⚠️
...loyment/types/ConstructorWithStructArgsContract.py	35.71%	27 Missing ⚠️
pypechain/test/events/types/EventsContract.py	35.71%	27 Missing ⚠️
pypechain/test/structs/types/StructsBContract.py	27.58%	21 Missing ⚠️
pypechain/test/structs/types/StructsCContract.py	27.58%	21 Missing ⚠️
...test/deployment/types/ConstructorNoArgsContract.py	41.37%	17 Missing ⚠️
...st/deployment/types/ConstructorWithArgsContract.py	41.37%	17 Missing ⚠️
...ain/test/deployment/types/NoConstructorContract.py	41.37%	17 Missing ⚠️
... and 5 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #137      +/-   ##
==========================================
- Coverage   74.35%   70.06%   -4.30%     
==========================================
  Files          57       59       +2     
  Lines        2995     3638     +643     
==========================================
+ Hits         2227     2549     +322     
- Misses        768     1089     +321     

Flag	Coverage Δ
unittests	70.06% <54.04%> (-4.30%)	⬇️

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