fix app.* functions & update 'world' test

src/main.cpp

@@ -26,7 +26,7 @@ int main(int argc, char** argv) {
     } catch (const initialize_error& err) {
         logger.error() << "could not to initialize engine\n" << err.what();
     }
-#ifdef NDEBUG
+#if defined(NDEBUG) and defined(_WIN32)
     catch (const std::exception& err) {
         logger.error() << "uncaught exception: " << err.what();
         debug::Logger::flush();