Fixes a crash in Touhou 16.5, and do some improvements on both the games' icons and our own icons (and by "improvements", I mean having them actually work when they didn't).
thcrap
- Implement working icon copying for exe-based shortcuts (a916571, 843cd1d)
- Fix bug in new address parsing (f276c7d, debdbe7)
thcrap_tsa
- Properly load game icon in RegisterClass (37aef68)
thcrap_loader
- Load the icon for our updater window (c46c3c9)