Version 0.17.0

- solved a big in extracting tailed file
- added "Unknown" volume type
- files can't be inserted to unknown volumes
- sections can be inserted into encapsulation sections
- regions (except Descriptor) can be replaced
- Rebuild action removed from all types of items but Volume, File and
Section, it did nothing for them
- Descriptor region info now shows region access map and BIOS access
table