Added hover stack to manage overlapping Area2Ds

Added room selector in demo scenes
Modified dialogues in room 1, fixed bug in room 8 and 9

game/ui/commons/room_select.gd

@@ -0,0 +1,36 @@
+extends OptionButton
+
+var selected_id = 0
+var options_paths = []
+
+func _ready():
+	var rooms_folder = "res://game/rooms/"
+	var dir = Directory.new()
+	var i = 1
+	if dir.open(rooms_folder) == OK:
+		dir.list_dir_begin(true)
+		var file_name = dir.get_next()
+		while file_name != "":
+			if dir.current_is_dir():
+				add_item(file_name)
+				options_paths.push_back("res://game/rooms/" + file_name + "/" + file_name + ".tscn")
+				i += 1
+			file_name = dir.get_next()
+
+	else:
+		escoria.report_errors("room_select.gd:_ready()", 
+			["A problem occurred while opening rooms folder."])
+	
+
+func _on_button_pressed():
+	var actual_command = ":debug\nchange_scene " + options_paths[selected_id] + "\n"
+	
+	var errors = []
+	var events = escoria.esc_compiler.compile_str(actual_command, errors)
+	
+	if errors.empty():
+		#past_actions.text += str(events)
+		var ret = escoria.esc_runner.run_event(events["debug"])
+
+func _on_option_item_selected(index):
+	selected_id = index