added multiple file processing, and entity tabulation only on subjects not objects
added multiple file processing, and entity tabulation only on subjects not objects

hansmeets/bio2rdf-scripts,hansmeets/bio2rdf-scripts,hansmeets/bio2rdf-scripts,hansmeets/bio2rdf-scripts,hansmeets/bio2rdf-scripts,hansmeets/bio2rdf-scripts,hansmeets/bio2rdf-scripts