Changes in version 0.4                         

  - Updated to download the Maddison Project Database 2023.

Breaking changes

  - The year variable is not converted to Date format anymore. To
    restore the behaviour of maddison 0.1, use
    
    maddison$year <- as.Date(paste0(maddison$year, "-01-01"))

                  Changes in version 0.1 (2015-12-09)                   

  - Initial release.