Moved all global variables to individual modules for easy calling. Save
and load functions moved as well.
Imported the new variable modules. Changed all the variables to point
towards the new variable modules. Moved the save and load functions.
Made the player picture function load the pictures itself.
Created function to check if a player save file has been created: If
not, it runs the player creation scripts.
Removed the YOU# pictures, replacing them with the Player_# pictures.