SetupDiClassGuidsFromNameExA, SetupDiCreateDeviceInfoListExA and
SetupDiOpenClassRegKeyExA using MultiByteToUnicode.
- Retrieve OS version upon process attach.
- add some setupx resources
- implement VHSTR functionality
- large parts of VCP callback handling
- merge setupapi and setupx stuff, especially resource handling
gets rid of setupx debug channel; setupapi is the only one that remains