put shared stuff (like constants) for all raw Win32 API calls
Represents a 64-bit unsigned integer value.
msdn.microsoft.com/en-us/library/windows/desktop/aa383742(v=vs.85).aspx
Attempts to use FFI‘s attach_function method to link a native Win32 function into the calling module. If this fails a dummy method is defined which when called, raises a helpful exception to the end-user.
Convert 64-bit FILETIME integer into Time object.
FILETIME structure contains a 64-bit value representing the number of 100-nanosecond intervals since January 1, 1601 (UTC).
msdn.microsoft.com/en-us/library/ms724284(VS.85).aspx
[Validate]