Implemented Display for Message.

src/client/data/message.rs

@@ -1,5 +1,6 @@
 //! Messages to and from the server.
 use std::borrow::ToOwned;
+use std::fmt::{Display, Formatter, Result as FmtResult};
 use std::io::{Result as IoResult};
 use std::str::FromStr;
 use client::data::Command;
@@ -119,6 +120,12 @@ impl<'a> From<&'a str> for Message {
     }
 }
 
+impl Display for Message {
+    fn fmt(&self, f: &mut Formatter) -> FmtResult {
+        write!(f, "{}", self.to_string())
+    }
+}
+
 /// A message tag as defined by [IRCv3.2](http://ircv3.net/specs/core/message-tags-3.2.html).
 #[derive(Clone, PartialEq, Debug)]
 pub struct Tag(String, Option<String>);