initial commit. basic html page with a table
basic game object, can run it and then click to add 'x' and 'o' alternatingly
show instructions for each turn. better styles/ui
half-done version of checking when the game has been won
checking for wins vertically, not just horizontally
simplifying code, checking for diagonal win conditions, showing game over message
showing winning cells upon game over, renaming functions to make more sense
allowing a new game after a game is over. also code cleanup
minor css tweak
refactoring, better comments
refactoring and comments for css
switching self. to game. to be consistent throughout
fix bug allowing diagonal 'wins' by null
better css for diff browser window sizes, i.e. mobile