fixed a variety of file handling issues; representation of go associations; etc
fixed a variety of file handling issues; representation of go associations; etc

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