PRAGMA foreign_keys = ON added on update, it seems that the query on database load doesn't work (weird)

parent!=0 check add to avoid crashes if the DB become corrupted.

YACReaderLibrary/library_creator.cpp

@@ -92,7 +92,7 @@ void LibraryCreator::run()
 			creation = false;
 			return;
 		}
-		//QSqlQuery pragma("PRAGMA foreign_keys = ON",_database);
+		QSqlQuery pragma("PRAGMA foreign_keys = ON",_database);
 		_database.transaction();
 		update(QDir(_source));
 		_database.commit();