bunch of fixes based on feedback, adding changelog

enemy.gd

@@ -36,8 +36,8 @@ func _ready():
 	yield(Timergen.createtime(self,0.1),'timeout')
 	$Health.health = $Health.health_max
 	$types.queue_free()
-	yield(Timergen.createtime(self,5.0),'timeout')
-	if not $VisibilityNotifier2D.is_visible_in_tree(): queue_free()
+	yield(Timergen.createtime(self,30.0),'timeout')
+	queue_free()
 	pass # Replace with function body.
 
 var delete_buff = 600

main.tscn

@@ -693,7 +693,6 @@ position = Vector2( 434, 819 )
 rotation = -0.561978
 z_index = 20
 frames = SubResource( 17 )
-frame = 8
 playing = true
 
 [node name="Play" type="TouchScreenButton" parent="PauseMenu/play"]