Ensured that SPARQL.Store correctly encodes the graph URI, if any.
Ensured that SPARQL.Store correctly encodes the graph URI, if any.

dydra/dydra.js,arnaudlevy/dydra.js,dydra/dydra.js,arnaudlevy/dydra.js,loun4/dydra.js,loun4/dydra.js