FIlename is now remembered and used by save. Save as added.

queryresultmodel.cpp

@@ -54,6 +54,9 @@ QVariant QueryResultModel::data(const QModelIndex &index, int role) const
 				s = (s == "t") ? "TRUE" : "FALSE";
 				// intentional fall through
 			default:
+				if (s.length() > 256) {
+					s.truncate(256);
+				}
 				r = s;
 			}