fix: readme

README.md

@@ -30,7 +30,7 @@ print(try parser.xmlString())
 let xml = try! AndroidXML(data: [...]).parseXml()
 try xml.iterElements({ startTag, attributes in
 	print("<\(startTag)>")
-	for (name, val) in attributes {
+	for (name, val) in try? attributes.asList() {
 		print("\t", name, "=", val.resolve(xml.stringPool))
 	}
 }) { endTag in