From 536f42ddc690d2c35e77efbb40fc418cdc5c6fc8 Mon Sep 17 00:00:00 2001
From: Justin van der Leij <justinvanderleij@gmail.com>
Date: Mon, 30 Jul 2018 13:48:31 +0200
Subject: [PATCH] Added callbacks when the System is added as well

---
 lib/instance.lua | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/instance.lua b/lib/instance.lua
index 451ef50..7a66c84 100644
--- a/lib/instance.lua
+++ b/lib/instance.lua
@@ -120,6 +120,12 @@ function Instance:addSystem(system, eventName, callback, enabled)
          callback = callback or eventName,
          enabled  = enabled == nil and true or enabled,
       }
+
+      if enabled then
+         system:enabledCallback(callback or eventName)
+      else
+         system:disabledCallback(callback or eventName)
+      end
    end
 
    local e