Changes in version 2020-06-01                      

    o   Add reference and citation

    o   Fix data and warning due to old version of tibble

    o   Remove dplyr suggestion

    o   Bump minor version

                     Changes in version 2016-11-28                      

    o   Update man pages (through Roxygen2).

    o   Change argument for CV to theta to match paper.

    o   Change title in Description, add packages to suggests

                     Changes in version 2016-10-31                      

    o   Update gia dataset, now contains sample level means and variances