check_pkg_usage         Check which packages are actually used in a
                        project
get_exported_functions
                        Get All Exported Functions From a Package
get_local_functions     Find All User Defined functions in the Project
get_pkgs_from_description
                        Get Packages from the DESCRIPTION file
originize_dir           Originize a complete directory
originize_file          Originize a specific file
originize_pkg           Originize a Package Project
originize_selection     Wrapper function to be used as an RStudio addin
print.pkg_usage         Print the summary of check_pkg_usage
