Changes in version 0.1.0 (2021-01-18)                  

  - implement main functionality and documentation
  - pseudonymize() produces unique pseudonyms for every unique element
    in a vector or row in a data frame.
  - An Ark object can be used to ensure consistent pseudonyms between
    function calls and customize the pseudonyms (alliterations, custom
    name parts, random seed)
  - basic pretty print of Ark objects implemented