add some white spaces to the query generation, and add capability to make graph queries if querey where clause includes a context
add some white spaces to the query generation, and add capability to make graph queries if querey where clause includes a context

ActiveRDF/ActiveRDF,net7/ActiveRDF,mauriciobomfim/ActiveRDF,ActiveRDF/ActiveRDF,net7/ActiveRDF,ActiveRDF/ActiveRDF,net7/ActiveRDF,mauriciobomfim/ActiveRDF,net7/ActiveRDF,mauriciobomfim/ActiveRDF