added support for reading configs from strings if the "directory" is "string://"
very useful when reading configs from a url
added support for adding a repository (external list of addons)
format in addons_updater.conf is

repo_NAME=url;file.extension;

in this the case of my repository it is
repo_hikariknight=https://raw.github.com/HikariKnight/rsu-client-addons/master;repository.list;

The same method can be used on the external file to create a library of addon repositories!