Changes in version 1.4                         

  - updated chinook data sets and added better documentation

                         Changes in version 1.2                         

  - sockeye dataset added with a number of Bristol Bay spawner recruit
    data
  - began tutorials via learnr

                         Changes in version 1.1                         

  - lakeWA dataset added with temperature, total phosporous, and pH
    monthly anomalies.
  - fixed some typos in the data man files