Merge pull request #2 from KevinBalz/master

Updated the example in the README

README.md

@@ -26,8 +26,7 @@ git = "https://github.com/mattyhall/rs-tiled.git"
 extern crate serialize;
 extern crate tiled;
 
-use std::io::File;
-use std::io::BufferedReader;
+use std::old_io::{File, BufferedReader};
 use tiled::parse;
 
 fn main() {
@@ -35,8 +34,8 @@ fn main() {
     println!("Opened file");
     let reader = BufferedReader::new(file);
     let map = parse(reader).unwrap();
-    println!("{}", map);
-    println!("{}", map.get_tileset_by_gid(22));
+    println!("{:?}", map);
+    println!("{:?}", map.get_tileset_by_gid(22));
 }
 ```