add vertex deduplication range to config, multiply tolerancescale through whole chain

Globals.h

@@ -70,6 +70,7 @@ struct global_settings {
 	std::string SceneryFile;
     std::string local_start_vehicle{ "EU07-424" };
     int iConvertModels{ 0 }; // tworzenie plików binarnych
+    int iConvertIndexRange{ 1000 }; // range of duplicate vertex scan
     bool file_binary_terrain{ true }; // enable binary terrain (de)serialization
     // logs
     int iWriteLogEnabled{ 3 }; // maska bitowa: 1-zapis do pliku, 2-okienko, 4-nazwy torów