Support both upper and lower case E in scientific notation

[matt-oliver-canada]

Brief

add support for upper case E in scientific notation values.

Checklist

• Add relevant labels to the Pull Request
• Review test results and code coverage
  • Review snapshot test results for deviations
• Review code changes
  • Create relevant test scenarios
  • Update examples
  • Update JSON schema
• Update documentation
  • Update examples in README
• Update changelog
• Update version number

Resolves

Resolves #134

Evidence

• Analyze how the change might impact existing code
  Tests added to pytest validate it's backward compatible.

• Provide evidence that the feature is tested and covered properly
  I made this new change to the local venv in my system.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.31%. Comparing base (2ec017f) to head (ea885cd).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #135   +/-   ##
=======================================
  Coverage   96.31%   96.31%           
=======================================
  Files          13       13           
  Lines        1465     1465           
=======================================
  Hits         1411     1411           
  Misses         54       54           

Flag	Coverage Δ
3.10	96.31% <ø> (ø)
3.11	96.31% <ø> (ø)
3.12	96.31% <ø> (ø)
3.6	96.31% <ø> (?)
3.7	96.31% <ø> (?)
3.8	96.31% <ø> (?)
3.9	96.31% <ø> (ø)

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