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* Support DVDs with errors on them. So we can recover from corrupt sectors in the .VOB. Also, handle corrupt .IFO files by using the backup .BUP files.
* Support Random and Shuffle Titles. Only sequencial Titles are currently supported.
* Support Still PGCs. Only Still Cells are currently supported.
* rework documentation
* implement restriction levels:
0 - execute everything as the app commands
1 - do some sensible sanity checking
2 - be more careful, when operations are prohibited (like not seeking/jumping in the presence of stills or cell commands)
3 - fully respect user prohibitions