Added How2Play

Added the page for instructions on how to play. Also added the variable
for allowing clear screens to be adjustable.
Added Selection for # of players

New function asks for number of players and then passes it back to the
main function.
Added Difficulty SubMenu

Function for setting the difficulty has now been set.
Changed how difficulty SubMenu is accessed

Submenu is only showed when a single player game is selected. Two player
games do not have to select the difficulty.
Added PlayOrer Submenu

Allows for choosing who goes first during game play.
Added Menu Error Checking

Menus and submenus now check for incorrect input and kicks back an error
if one is detected. The menu then cycles through again.
Added Board Layout

The TikTakToe board is now on the How2Play page.
Added page to ask for move

Basic function that asks for a players move and has basic error
reporting.
Started First Player Turn

Still needs some work to test and pass the table back and forth.
Adjusted Calling of grid

Talbe now uses numbers
Changed Table Outline

Right now it was changed to an array, but it needs to be a public
variable.