Medical - Add medication dosage support & improve overdose

[Cplhardcore]

When merged this pull request will:

• Rework overdose slightly, for better handling with external mods with multiple dose levels for one kind of medication
• splits overdose into its own function
• adds the getAllMedicationCount function, which gets all medications in a unit and outputs them in an array of arrays containing the medication's name, the dose, and the effectiveness

IMPORTANT

• If the contribution affects the documentation, please include your changes in this pull request so the documentation will appear on the website.
• Development Guidelines are read, understood and applied.
• Title of this PR uses our standard template Component - Add|Fix|Improve|Change|Make|Remove {changes}.

[LinkIsGrim]

Don't worry about the failing pboProject build. Do worry about HEMTT warnings/errors though.

[LinkIsGrim]

Should've just started a review.

[LinkIsGrim]

@Cplhardcore making requested changes left as an exercise to the reader, please don't make me fix EOF newlines and headers again