refactoring: LENOF --> _countof
refactoring: use :: to indicate global system functions
fix warning: "ext->DiskNumber" is uninitialized
refactoring: VolFlags
convertPath: fix parameter
refactoring: Engine::AddFile: open files using "\\?\" prefix
refactoring: FOpen: open files using "\\?\" prefix
refactoring: GetLongFileName
refactoring: use GetLongFileName
refactoring: use GetLongFileName
version info: update