Finished up whilerow. Added hearder tag.

__mysql.cpp

@@ -50,6 +50,15 @@ namespace jet {
       }
    }
 
+   void __mysql::nextRow() {
+      row = mysql_fetch_row(result);
+      fieldLength = mysql_fetch_lengths(result);
+   }
+
+   bool __mysql::hasRow() {
+      return row != NULL;
+   }
+   
    coreutils::ZString __mysql::getColumnValue(coreutils::ZString column) {
       if(column == "#")
 	return NbrOfRows;