New version: 0.22
    
    - Allow implicit inclusion of multipath/fwraid by including all members. (dlehman)
    - If a device has been removed, omit it from the copied root. (#1004572) (dlehman)
    - Thinp metadata and chunk size default to 0 -- not None. (#1004718) (dlehman)
    - Revert "Do not try to align partitions to optimal_io_size. (#989333)" (dlehman)