Process.kill Function

[briandowns]

initial impl of Process.kill

Resolves: #694

What's Changed:

Adds a kill function to the Process module as well as docs.

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Type of Change:

• [ ] Bug fix
• [x] New feature
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

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Housekeeping:

• [ ] Tests have been updated to reflect the changes done within this PR (if applicable).
• [x] Documentation has been updated to reflect the changes done within this PR (if applicable).

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Screenshots (If Applicable):

[Jason2605]

Just checking is this still in draft?

[briandowns]

Just checking is this still in draft?

Ready for review. Not quite sure how to test it though, effectively. I've tested it on Mac, FreeBSD, and Linux manually.

[briandowns]

I "think" we're all set.