Added HFS+.
If HFS detects it has wrapped a HFS+ volume, inform that it's not its filesystem.
Added a workaround in calculation with UInt32 and ulong that made HFS and MFS show a bad date.
git-svn-id: svn://claunia.com/FileSystemIDandChk@2 17725271-3d32-4980-a8cb-9ff532f270ba