changes in version 1.9.1 (2024-03-16)
+ major updates to several plotting functions providing improved flexibility 
  and new features (contributions by Estella Dong)

changes in version 1.3.1 (2022-10-11)
+ support for multiple-sample datasets

changes in version 0.99.0 (2021-08-08)
+ version for submission to Bioconductor