pytsk/libtsk does not correctly/fully handle HFS+/HFSX

[joachimmetz]

• https://github.com/sleuthkit/sleuthkit/issues/2057 The behavior of how U+2400 is handled for HFS+ by native Mac OS and pytsk/libtsk differs.
• https://github.com/sleuthkit/sleuthkit/issues/2494 kHFSPlusAttrForkData attribute record is not handled and instead assumes corruption
• https://github.com/sleuthkit/sleuthkit/issues/2720 certain types of file entry types are not handled correctly