Universal Shift-Tac-Toe

Description A generalized implementation of Shift-Tac-Toe made in Python with both a windowed (PySimpleGUI 4) and command line version. Allows arbitrary rows, columns, pieces, shifting spaces. To play the actual Shift-Tac-Toe game from 1988 (https://boardgamegeek.com/boardgame/23318/shift-tac-toe), the board needs to be changed to have dimensions 3 x 3 with a shift of 2 and initial shift of 1. Th…