Better file organization.

Moved connection and channel types for its own files.

subscription.go

@@ -0,0 +1,17 @@
+// Copyright 2014 Claudemiro Alves Feitosa Neto. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package main
+
+// A Channel Subscription
+type Subscription struct {
+	Connection *Connection
+	Id         string
+	Data       string
+}
+
+// Create a new Subscription
+func NewSubscription(conn *Connection, data string) *Subscription {
+	return &Subscription{Connection: conn, Data: data}
+}