Added check to ensure .maze and .vrsettings exist when opening behavior file. If RodentVR can't find them, they ask the user where they are. If the user doesn't specify a good file, RodentVR handles it gracefully.
Added check to ensure .maze and .vrsettings exist when opening behavior file. If RodentVR can't find them, they ask the user where they are. If the user doesn't specify a good file, RodentVR handles it gracefully.