fixed some race conditions and improved parsing storage size

main.c

@@ -112,6 +112,7 @@ int main(){
 	threading_free();
 	free(start_path);
 
+	/*
 	if (threading) {
 		pthread_join(thread_l, NULL);
 		pthread_join(thread_r, NULL);
@@ -119,6 +120,7 @@ int main(){
 		pthread_join(thread_t, NULL);
 		pthread_join(thread_b, NULL);
 	}
+	*/
 
 	delwin(win_l);
 	delwin(win_m);