Version 0.5
    o new functions compute(), factorize(), intersection(), negate()
      and simplify(), moved here from package QCA
    o new function replaceText()
    o minor changes to internal functions getInfo() and getLevels()
    o improved function translate() using replaceText(), now better
      suited in dealing with set names of variable number of
      characters, including space
    o as a result, argument "snames" from function venn() can deal with
      spaces in set names (thanks to Andre Gohr for the suggestion) 

Version 0.4
    o fixed small printing bug in possibleNumeric()
    o function translate() is now more robust against non-printable
      characters

Version 0.3
    o function combinations() renamed to combnk()
    o improved function possibleNumeric() to deal with objects of
      class "haven_labelled"

Version 0.2
    o function combinations() renamed to combnk()

Version 0.1
    o start of the package

