Minor code cleanup and fetching prev uat.rdf from remote#1

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sswaitUS wants to merge 3 commits intomasterfrom code_cleanup

+353-430

Commits on Jan 20, 2025

Doing some code cleanup including fixing typos, closing resources properly, removing unused methods/imports, renaming single letter variables, etc.
sswaitUS
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Get previous UAT RDF from the web instead of manually copying and pasting it into repo
sswaitUS
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Adding requirements.txt for future maintainers
sswaitUS
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