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/rooms/room9/esc/closet_left.esc

@@ -2,6 +2,10 @@
 
 
 :open
+> [left_closet_open]
+	stop
+
+set_global left_closet_open true
 inc_global open_closets 1
 
 > [lt open_closets 3]

game/rooms/room9/esc/closet_middle.esc

@@ -2,6 +2,10 @@
 
 
 :open
+> [middle_closet_open]
+	stop
+
+set_global middle_closet_open true
 inc_global open_closets 1
 
 > [lt open_closets 3]

game/rooms/room9/esc/closet_right.esc

@@ -2,6 +2,10 @@
 
 
 :open
+> [right_closet_open]
+	stop
+
+set_global right_closet_open true
 inc_global open_closets 1
 	
 > [lt open_closets 3]

game/rooms/room9/esc/left_exit.esc

@@ -1,2 +1,2 @@
 :exit_scene
-change_scene "res://game/rooms/room7/room7.tscn"
+change_scene "res://game/rooms/room8/room8.tscn"