Added a check on the number of connected SIBs for the JOIN REQUEST
Added a check on the number of connected SIBs for the LEAVE REQUEST
Added a check on the number of connected SIBs for the INSERT REQUEST
Added a check on the number of connected SIBs for the REMOVE REQUEST
Added a check on the number of connected SIBs for the QUERY REQUESTs
Added a check on the number of connected SIBs for the SPARQL/RDF SUBSCRIBE REQUESTs
Added a check on the number of connected SIBs for the UNSUBSCRIBE REQUESTs