Total refactor to add more type safety and testability#5

Draft

auspicacious wants to merge 19 commits intomainfrom refactor

+744-399

Commits on Sep 17, 2020

Checkpoint commit of work on creating an immutable state class.
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Commits on Sep 20, 2020

Merge branch 'main' into refactor
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Commits on Sep 21, 2020

desc_metadata working
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Commits on Sep 24, 2020

desc_metadata now has JSON output
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Commits on Oct 4, 2020

Intermediate commit, now checking to make sure environment health is green before continuing.
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Preparation for unit-testing same_env command.
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Commits on Oct 6, 2020

First unit test for same_env.
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Commits on Oct 13, 2020

Configurable delays to enable fast unit testing.
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Commits on Oct 15, 2020

new_env now passing basic unit tests
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Commits on Nov 10, 2020

Intermediate commit while refactoring the CLI.
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Commits on Nov 11, 2020

Refactored out JSON encoder extensions.
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Commits on Nov 12, 2020

Commits on Nov 14, 2020