drop the Transformer and File handler threads to 1 for testing

core/src/main/java/com/seibel/lod/core/dataObjects/transformers/DataRenderTransformer.java

@@ -73,7 +73,8 @@ public class DataRenderTransformer
 		if (transformerThreads == null || transformerThreads.isTerminated())
 		{
 			LOGGER.info("Starting "+DataRenderTransformer.class.getSimpleName());
-			transformerThreads = ThreadUtil.makeThreadPool(4, "Data/Render Transformer");
+			// TODO add config option to set pool size
+			transformerThreads = ThreadUtil.makeThreadPool(1, "Data/Render Transformer");
 		}
 	}
 	

core/src/main/java/com/seibel/lod/core/file/fullDatafile/FullDataFileHandler.java

@@ -31,7 +31,8 @@ public class FullDataFileHandler implements IFullDataSourceProvider
 {
     private static final Logger LOGGER = DhLoggerBuilder.getLogger();
     
-	final ExecutorService fileHandlerThread = ThreadUtil.makeThreadPool(4, FullDataFileHandler.class.getSimpleName()+"Thread");
+	// TODO add config option to set pool size
+	final ExecutorService fileHandlerThread = ThreadUtil.makeThreadPool(1, FullDataFileHandler.class.getSimpleName()+"Thread");
     final ConcurrentHashMap<DhSectionPos, FullDataMetaFile> files = new ConcurrentHashMap<>();
     final IDhLevel level;
     final File saveDir;