Changes in version 0.3.1                        

  - remove use of iris dataset in examples and documentation
  - option to parse group variables containing wildcard characters such
    as ()

                 Changes in version 0.3.0 (2020-03-16)                  

  - Updated cs.js to 0.7.15
  - Updated d3.js to 5.15.0
  - All data.frame calls now use strinsAsFactors = TRUE in preparation
    for R version 4
  - migrated documentation to pkgdown