from_github()
Helper function for pointing to an R package on GitHub
function_graph_all()
Create a graph that describes network of package functions
function_graph_single()
Show all package functions that are called from a given function
pkg_api()
Prepare a package's API in a tibble
pkgattrs()
Get a table of info functions inside one or more packages
write_pkg_api()
Write the pkg API to disk