Default $rateLimitDetails to an array

Dominic Scheirlinck · Dominic Scheirlinck · commit 84a78e252a48 · 2017-07-04T11:39:19.000+12:00
diff --git a/src/IntercomClient.php b/src/IntercomClient.php
@@ -56,7 +56,7 @@ class IntercomClient
     public $notes;
 
     /** @var int[] $rateLimitDetails */
-    protected $rateLimitDetails;
+    protected $rateLimitDetails = [];
 
     /**
      * IntercomClient constructor.
