Now we can use our own compiled LEGO1.LIB rather than one generated from the original. Also implements a script that tests them to help ensure future commits don't break them.
* match WinProc
* minor accuracy improvement
* WndProc at 50%
* fix WM_DISPLAYCHANGE branching
* fix type
* fix x/y comparison
* WndProc 82%
* 84%
* 97%
* rearrange functions to get close to the original
* remove newline
* inline no longer necessary
* merge