Changes in version 0.0.0.9000                      

  - 11/2023: Revised version. Major changes include:
      - Reorganization to vignettes
      - Fix to individual sampling mechanism to avoid negative masses
      - Addition of John Dunning as a Data Contributor
      - For more details on revisions, see the software review thread:
        https://github.com/ropensci/software-review/issues/577
  - 2/2023: ROpenSci submission.