Changes in version 0.2                         

  - Add a vignette on the basic usage.
  - Added a NEWS.md file to track changes to the package.
  - New features add_legacy_site(), drop_legacy_sites() and
    extract_legacy_sample(). These functions improve the ranking of
    legacy sites.
  - Bugfix when restoring a compacted database (#2).

                         Changes in version 0.1                         

  - Initial version