Changes in version 2022-08-11                      

  - Vignette mimics calling REDCap. (#9)
  - Small modernizations. (#9)

                     Changes in version 2018-09-07                      

  - added table_nih_enrollment() and table_nih_enrollment_pretty(). #2
  - added nih-enrollment-html vignette. #6
  - started pkgdown site. #7
  - the idea was created by Peter Higgins (@higgi13425) for
    R/Medicine 2018.