Fix: list zip AND wool files

src/main/java/com/sheepit/client/Configuration.java

@@ -317,7 +317,7 @@ import lombok.Data;
 				try {
 					String extension = file.getName().substring(file.getName().lastIndexOf('.')).toLowerCase();
 					String name = file.getName().substring(0, file.getName().length() - 1 * extension.length());
-					if (extension.equals(".zip")) {
+					if (extension.equals(".zip") || extension.equals(".wool")) {
 						// check if the md5 of the file is ok
 						String md5_local = Utils.md5(file.getAbsolutePath());