ENH:More meaningful error returned if connection pool cannot be established
ENH:More meaningful error returned if connection pool cannot be established

danielballan/filestore,tacaswell/filestore,ericdill/fileStore,stuwilkins/filestore,NSLS-II/filestore,ericdill/databroker,danielballan/filestore,stuwilkins/filestore,ericdill/databroker,ericdill/fileStore