- PEP8 compliance fixes #1108
    - Rebuild index when an inconsistency between the index and the metadata is
        detected
    - Implement sorting by timestamp and title
    - Return a consistent entry count when some entries are missing (dsd)
    - Don't include in find() results entries without metadata
    - Remove title option (copy-from-journal) #896
    - Only one dot for the filename if we specify an extension
        (copy-from-journal)