Type Refactoring

[danparizher]

A lot of functions, methods, and variables are typed incorrectly throughout the project. This issue serves as a tracker for correcting those types.

The incorrect types can cause a number of problems, including:

• Errors when the code is run.
• Difficulties in debugging the code.
• Difficulties in understanding the code.

This issue should be fixed to improve the quality of the code and to make it more maintainable.

[GabeMillikan]

I will be opening several refactor-PRs in the following weeks :)

[GabeMillikan]

Not completed yet, still needs #229 to do fix the actual typing.