Switching to use Output variables instead of Env variables.

[Oskar619]

Description

Please include a summary of the change and which issue is fixed or what was added to the project.

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

Checklist:

• [ ] My code follows the style guidelines of this project
• [ ] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes

(No testing framework setup yet so ignore the last two)

[github-actions[bot]]

Test Coverage Results for editmode: Sequence Coverage: 44.25% Link to run results: https://github.com/nicholas-maltbie/PropHunt/actions/runs/367731506

[github-actions[bot]]

Test Coverage Results for editmode: Sequence Coverage: 44.25% Link to run results: https://github.com/nicholas-maltbie/PropHunt/actions/runs/371165185