There's no longer a need to call CWinApp::Enable3dControls after MFC 5.0 (VS2003 and later).
Some initital cleanup on RRRCom.  Preparing for comments.
Some initital cleanup on RRRSrv.  Preparing for comments.
Updating .gitignore to ignore the SerialComm debug files.
ddutil should use local ddraw.h.
Documenting RRRMsg.
Moving code out of RRRMsg.h into RRRMsg.cpp where it belongs.
Generate XML docs for RRRSrv.