[119] Sleight of Hand

I refactored everything about the Win32 stuff while adding features to it, and I'm quite proud of the amount of actual good work that got done.

I made a little port of my snake game using the library, that demonstrates the library's new fullscreen feature and event handling functionality:

Here's the boring library code that makes it work:

I'm trying to do this quick without rushing, so I'll move on to audio next, for which I'll probably use WASAPI or XAudio2 for.