Polish

While I still haven't finished the AI, I decided that polish is more important than intelligent AI, so I did that.

Firstly, when you start up the game, you now see the title and a little menu:

Secondly, every aspect of the game has been made fully functional. So yes, that 2-player option works:

And yes, that "controls" option (for configuration of controls) works:

There is one small bug that hasn't been worked out where you occasionally get control of two ships at once, and the controls aren't saved to a file, but other than that and a more intelligent AI, Pacewar is now basically entirely finalized.