Fixed signals; removed most extra debug output. Still issues with

shieldbar showing accurate damage, but functionality of main branch
restored.

enemy.gd

@@ -36,6 +36,7 @@ func _process(delta):
 
 
 func explode():
+    print_debug("Enemy died!")
     speed = 0
     $AnimationPlayer.play("explode")
     set_deferred("monitoring", false)