Changes in version 3.225                        

  - Added pkgdown support (19 June 2017)

                        Changes in version 3.224                        

  - No change to data. Updated package structure as required for
    Rv3.3.3. (April 2017)

                        Changes in version 3.223                        

  - Updated documentation to include full citations of Smith (2009)
    references.

                        Changes in version 3.222                        

  - Updated aus.fertility to 2006.

                        Changes in version 3.221                        

  - Added namespace to hide .onAttach

                        Changes in version 3.22                         

  - The female population numbers were previously identical to the male
    population numbers. This is now fixed.
      - The fertility rates are now given per 1000 women to be
        consistent with the aus.fert data in the demography package.
        (They were previously rates per woman).

                        Changes in version 3.21                         

  - Some of the state code was corrupted. This has now been fixed.
      - A 1x1 version of Australian fertility data is now included.