utf-8 encoding instead of iso-8859-1

Author: Dukecz

lib/nusoap.php

@@ -148,8 +148,8 @@ class nusoap_base {
 	* @var      string
 	* @access   public
 	*/
-    var $soap_defencoding = 'ISO-8859-1';
-	//var $soap_defencoding = 'UTF-8';
+    //var $soap_defencoding = 'ISO-8859-1';
+	var $soap_defencoding = 'UTF-8';
 
 	/**
 	* namespaces in an array of prefix => uri