first steps are done

the first steps are done.
--> the core has some ew methods, exc. to call another module out of an module, ...
--> the frst two modules file_exists and file_read are developed both used by module tag_parse and at a farmer point by xml_parse
-->then we will be able to start with xml-baes registry
-->now it's really buggy handle with the modules and it was not the intend of this idea in the form exists right now