VERY Minor Change

I just updated the Main Menu to accept W and S as navigation buttons, since I've gotten a couple complaints that it's unintuitive to use the Arrow keys for menu navigation when everything else is WASD.

I also updated the "Scroll through Messages" function (using left and right arrow). It now doesn't loop anymore:
basically when trying to run through previous TTS messages it would loop to previous messages, making it hard to find the one the player was looking form.

There are also some minor fixes to some sound bugs that could occur in the game.