Roxygen version changed
Function to install genderdata if necessary
Don't automatically install genderdata on travis
Removed dependency on genderdata; depend on devtools
Function to install genderdata
Check for genderdata before running function
Check for genderdata before building vignette
Check as CRAN
Bump development version number
Merge branch 'feature/auto-download-package' into develop
Explanation of installing dataset
Requested changes to description
Making the case to CRAN
Update NEWS for 0.4