Variable rename

Changed some of the variables passed between the .kv and .py files for clarity.
Splitting function from GUI

Moved majority of the actual functions (computation, data sorting) from
the main.py file into it's own file.
Move calculations, Add wrap functions

Calculations following data gathering have been moved to their own file.
Wrap functions have been added to Mifflin/Penn to allow for them to
call their respective functions.