[ ] Have you successfully run devtools::check() locally?
[x] Have you updated or added function (and vignette if applicable) documentation? Did you update the 'man' and 'NAMESPACE' files with devtools::document()?
[ ] Have you added in tests for the changes included in the PR?
[x] Do the changes follow the ihmeuw-demographicscode style?
[ ] Do the changes need to be immediately included in a new build of docker-base or docker-internal? If so follow directions in those repositories to rebuild and redeploy the images.
[ ] Do the changes require updates to other repositories which use this package? If yes, make the necessary updates in those repos, and consider integration tests for those repositories.
[ ] If this is a private package did you use Jenkins to rebuild the internal pkgdown site?
Describe changes
Originally requested by Katie. This is a simple change to export these helper functions
What issues are related
Fixes #61
Checklist
Packages Repositories
ihmeuw-demographicsR packages?devtools::check()locally?devtools::document()?ihmeuw-demographicscode style?docker-baseordocker-internal? If so follow directions in those repositories to rebuild and redeploy the images.