Added pause capability to all levels, added music to Level 5, added a simple chasing AI to the glowing ghosts, and optimized the Main Menu scene

GUI/Main Menu.gd

@@ -1,4 +1,4 @@
-extends Node
+extends CanvasLayer
 
 signal complete(option)
 
@@ -9,12 +9,12 @@ func _on_new_game_button_pressed() -> void:
 
 
 func _on_quit_button_pressed() -> void:
-    emit_signal('complete', 'quit')
+    get_tree().quit()
     return
 
 
 func _on_continue_button_mouse_entered() -> void:
-    if not $'Menu Items/VBoxContainer/CenterContainer/Menu Options/CenterContainer/Continue Button'.disabled:
+    if not $'Menu/Menu Elements/Menu Options/Continue/Continue Button'.disabled:
         $'Menu Button Hover'.play(0.0)
     return