new file dialog!

-ItemList control for easier lists/thumbnails
-New file dialog, with support for thumbnails, favorites, recent places,
etc
-Moved .fscache out of the project, no more bugs due to committed/pulled
.fscache!
-Dir dialog now sorts directories

core/io/packet_peer.h

@@ -41,6 +41,14 @@ class PacketPeer : public Reference {
 
 	static void _bind_methods();
 
+
+	Error _put_packet(const DVector<uint8_t> &p_buffer);
+	DVector<uint8_t> _get_packet() const;
+	Error _get_packet_error() const;
+
+
+	mutable Error last_get_error;
+
 public:
 
 	virtual int get_available_packet_count() const=0;