find_srcpkgs            finds all available source packages starting
                        from the project root
get_srcpkgs             get the current source packages list
hack_r_loaders          instruments the R loaders to make them aware of
                        source packages
pkg_load                loads or reloads if needed a source package,
                        taking care of its dependencies
pkg_unload              unloads a package, unloading its dependent
                        packages if needed
reset                   resets the 'srcpkgs' settings
settings                informs about the settings currently used by
                        'srcpkgs'
srcpkgs-package         srcpkgs: R Source Packages Manager
unhack_r_loaders        untraces library() and loadNamespace()
