Fixed some issues and desyncs with creating empty permanent channels on startup & dropping empty channels

include/channels.h

@@ -100,6 +100,10 @@ class CoreExport Channel : public Base, public Extensible
 	 */
 	void CheckModes();
 
+	/** Check if this channel should be deleted
+	 */
+	bool CheckDelete();
+
 	/** Join a user internally to the channel
 	 * @param u The user
 	 * @return The UserContainer for the user

include/modules.h

@@ -636,6 +636,7 @@ class CoreExport Module : public Extensible
 	virtual void OnDelChan(ChannelInfo *ci) { }
 
 	/** Called when a new channel is created
+	 * Note that this channel may not be introduced to the uplink at this point.
 	 * @param c The channel
 	 */
 	virtual void OnChannelCreate(Channel *c) { }