TODO:
* add number of file entries support?
* add docstring about timestamps in local time or UTC
* error on volume labels outside of root directory
* add support for short and long file name comparison
* complete mount tool
  - check FILETIME calculations on Windows

* add API functions
  - to expose short file name
  - to expose self directory entry
  - to expose parent directory entry
  - to expose volume label last modification time
  - to expose volume identifier

* implement Python bindings
  - to expose volume label last modification time
  - to expose volume identifier

20210928
* see `git log' for more recent change log
* Initial version based on previous work on the format and libfsext

