Added new functions

setStatusIdle() - aliases setStatusAway
setStatusOnline() - aliases setStatusActive and setStatusHere

setPlayingGame() - uses GameID resolvable

src/Structures/Channel.js

@@ -12,6 +12,10 @@ class Channel extends Equality{
 		this.id = data.id;
 		this.client = client;
 	}
+	
+	get isPrivate() {
+		return !!this.server;
+	}
 
 	delete(){
 		return this.client.deleteChannel.apply(this.client, reg(this, arguments));