Let's throw exceptions!
logs
Better close the Jena Model to ensure resources are released.
Fixed virtuoso drop and added test
getting ready to use the GCube Parthenos Registry
Log errors
More logs
API for storing on virtuoso
keep playing with virtuoso
JobNodes to work with Virtuoso
reformat code
added comment
VirtuosoClient and some tests assuming there is a local virtuoso server (hence ignored)