Changes in version 0.11:

An endless loop happening when trying to list or extract from an empty
tar.lz archive has been fixed.

Multi-threaded '-c, --create' and '-r, --append' have been implemented.

The default compression granularity has been changed to '--bsolid'
(per block compression) instead of '--no-solid' (per file compression).

The message "Removing leading '<prefix>' from member names." is now shown
once for each <prefix>.

The new chapter 'Minimum archive sizes required for multi-threaded block
compression' has been added to the manual.
