Add irccon.Quit() and irccon.Cycle()

Quit() Sends QUIT to server and exits the main loop.
Cycle() Sends QUIT to server and reconnects.

irc.go

@@ -92,6 +92,16 @@ func pinger(i *IRCConnection) {
 	}
 }
 
+func (irc *IRCConnection) Cycle() {
+	irc.SendRaw("QUIT")
+	irc.Reconnect()
+}
+
+func (irc *IRCConnection) Quit() {
+	irc.quitting = true
+	irc.SendRaw("QUIT")
+}
+
 func (irc *IRCConnection) Join(channel string) {
 	irc.pwrite <- fmt.Sprintf("JOIN %s\r\n", channel)
 }
@@ -133,12 +143,19 @@ func (i *IRCConnection) Reconnect() os.Error {
 }
 
 func (i *IRCConnection) Loop() {
-	for {
+	for !i.quitting {
 		e := <-i.Error
+		if i.quitting {
+			break
+		}
 		fmt.Printf("Error: %s\n", e)
 		error = true
 		i.Reconnect()
 	}
+	close(i.pwrite)
+	close(i.pread)
+	<-i.syncreader
+	<-i.syncwriter
 }
 
 func (i *IRCConnection) Connect(server string) os.Error {

irc_struct.go

@@ -24,6 +24,8 @@ type IRCConnection struct {
 	lastMessage int64
 	ticker      <-chan int64
 	ticker2     <-chan int64
+
+	quitting bool
 }
 
 type IRCEvent struct {