Fixed checking for empty obj.Body before further actions

lib/client.js

@@ -393,18 +393,18 @@ Client.prototype._invoke = function(method, args, location, callback, options, e
       return callback(null, null, body, obj.Header);
     }
 
+    // If it's not HTML and Soap Body is empty
+    if (!obj.html && !obj.Body) {
+      return callback(null, obj, body, obj.Header);
+    }
+
     if( typeof obj.Body !== 'object' ) {
       var error = new Error('Cannot parse response');
       error.response = response;
       error.body = body;
       return callback(error, obj, body);
     }
 
-    // if Soap Body is empty
-    if (!obj.Body) {
-      return callback(null, obj, body, obj.Header);
-    }
-
     result = obj.Body[output.$name];
     // RPC/literal response body may contain elements with added suffixes I.E.
     // 'Response', or 'Output', or 'Out'