Multi godot version support

.pylintrc

@@ -1,5 +1,5 @@
 [MESSAGES CONTROL]
-disable=E1101,W0511,W0612,W0613,W0212,W0221,W0703,W0622,C,R
+disable=E1101,W0511,W0612,W0613,W0212,W0221,W0703,W0622,W1113,C,R
 
 [BASIC]
 argument-rgx=[a-z_][a-z0-9_]{0,30}$

README.md

@@ -17,20 +17,21 @@ functionality and make it easier to perform certain tasks. Let's look at an
 example by creating a new scene file for a Player:
 
 ```python
-  from godot_parser import GDScene, Node
-
-  scene = GDScene()
-  res = scene.add_ext_resource("res://PlayerSprite.png", "PackedScene")
-  with scene.use_tree() as tree:
-      tree.root = Node("Player", type="KinematicBody2D")
-      tree.root.add_child(
-          Node(
-              "Sprite",
-              type="Sprite",
-              properties={"texture": res.reference},
-          )
-      )
-  scene.write("Player.tscn")
+from godot_parser import GDPackedScene, Node, VersionOutputFormat
+
+scene = GDPackedScene()
+res = scene.add_ext_resource("res://PlayerSprite.png", "PackedScene")
+with scene.use_tree() as tree:
+    tree.root = Node("Player", type="KinematicBody2D")
+    tree.root.add_child(
+        Node(
+            "Sprite",
+            type="Sprite",
+            properties={"texture": res.reference},
+        )
+    )
+
+scene.write("Player.tscn", VersionOutputFormat("4.6"))
 ```
 
 It's much easier to use the high-level API when it's available, but it doesn't

godot_parser/__init__.py

@@ -1,5 +1,6 @@
 from .files import *
 from .objects import *
+from .output import *
 from .sections import *
 from .tree import *