PNG Stalkers Safe Blackout + Music v4

New in v4:
- Added a Window Peek Jester.
- This is a head-only Jester Grin that appears through nearby glass windows.
- Best used by standing inside a house/room near a glass window and running the command below.
- The Window Peek Jester keeps the music + blackout scare behavior, but it does NOT walk toward the player.

Commands:
/function pngstalksafe:spawn/jester_window_peek
/function pngstalksafe:spawn/puppet_marionette
/function pngstalksafe:spawn/jester_grin
/function pngstalksafe:spawn/all
/function pngstalksafe:auto/on
/function pngstalksafe:auto/off
/function pngstalksafe:kill_all
/function pngstalksafe:test_music
/function pngstalksafe:stop_music
