Evolve Functionality

[ncilfone]

What does this PR do?

added evolve functionality similar to the underlying attrs lib that allows you to evolve the underlying Spockspace and return a new Spockspace object with the requested deltas. The evolve interface takes in instantiated @spock decorated classes and uses the deltas to evolve the underling attrs classes.

Added unit tests to cover new functionality

Checklist

• Did you adhere to PEP-8 standards?
• Did you run black and isort prior to submitting your PR?
• Does your PR pass all existing unit tests?
• Did you add associated unit tests for any additional functionality?
• Did you provide documentation (Google Docstring format) whenever possible, even for simple functions or classes?

Review

Request will go to reviewers to approve for merge.

[coveralls]

Pull Request Test Coverage Report for Build 1747907545

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 75 of 75 (100.0%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.3%) to 96.15%

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Totals
Change from base Build 1740578141:	0.3%
Covered Lines:	1773
Relevant Lines:	1844

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💛 - Coveralls