--- a/src/luan/modules/Utils.java	Sat May 02 22:25:56 2020 -0600
+++ b/src/luan/modules/Utils.java	Sun May 03 00:12:15 2020 -0600
@@ -10,6 +10,7 @@
 import java.net.URL;
 import java.net.MalformedURLException;
 import java.util.Map;
+import goodjava.io.IoUtils;
 import luan.Luan;
 import luan.LuanException;
 import luan.LuanTable;
@@ -78,21 +79,11 @@
 		return buf.toString();
 	}
 
-	public static void copyAll(InputStream in,OutputStream out)
-		throws IOException
-	{
-		byte[] a = new byte[bufSize];
-		int n;
-		while( (n=in.read(a)) != -1 ) {
-			out.write(a,0,n);
-		}
-	}
-
 	public static byte[] readAll(InputStream in)
 		throws IOException
 	{
 		ByteArrayOutputStream out = new ByteArrayOutputStream();
-		copyAll(in,out);
+		IoUtils.copyAll(in,out);
 		return out.toByteArray();
 	}