Added pause and mute.

Improved fonts and font scaling
Added level editor

BackgroundSelector.gd

@@ -0,0 +1,29 @@
+extends OptionButton
+
+func _ready() -> void:
+	update_background_list()
+
+func update_background_list() -> void:
+	clear()
+	var i : int = 0
+	for file in DirAccess.get_files_at("res://Backgrounds"):
+		if file.ends_with(".png"):
+			add_item(file.left(-4), i)
+			set_item_metadata(i, "res://Backgrounds/%s" % file)
+			i += 1
+	for file in DirAccess.get_files_at("user://Backgrounds"):
+		if file.ends_with(".png"):
+			add_item(file.left(-4), i)
+			set_item_metadata(i, "user://Backgrounds/%s" % file)
+			i += 1
+
+func select_by_name(name : String) -> void:
+	for i in item_count:
+		if get_item_text(i) == name:
+			selected = i
+
+func get_selected_filename() -> String:
+	return get_item_metadata(selected)
+
+func get_selected_text() -> String:
+	return get_item_text(selected)