Modules that shall be added multiple times

-added modules that shall be added multiple times no matter how often
-added arrays for certain modules
-changed welder and config to handle modules that shall be added
multiple times
Update for Module Merger

-added several modules that should not get included into welded parts.
Cleaning of the Scene in any case

-disabled the check for the config
-cleans the scene in every case, no matter if the part gets saved or not