Module zlibCopy item path

use core2::io::{Read, Write};
use libflate::zlib::{Encoder, Decoder};

// Encoding
let mut encoder = Encoder::new(Vec::new()).unwrap();
encoder.write_all(&b"Hello World!"[..]).unwrap();
let encoded_data = encoder.finish().into_result().unwrap();

// Decoding
let mut decoder = Decoder::new(&encoded_data[..]).unwrap();
let mut decoded_data = Vec::new();
decoder.read_to_end(&mut decoded_data).unwrap();

assert_eq!(decoded_data, b"Hello World!");