Changed the compatibility to be public

The Trader PECL library has no way to change this setting, but it is available in the TALib library. This setting changes the way that the EMA is calculated so that it is using the standard EMA formula instead of a sliding window.

Author: jb-lopez

composer.json

@@ -1,7 +1,7 @@
 {
   "name": "lupecode/php-trader-native",
   "description": "An native version of the PHP Trader extension.",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "type": "library",
   "license": "GPL-3.0-or-later",
   "authors":[

source/TALib/Core/Core.php

@@ -64,7 +64,7 @@ class Core
     /** @var CandleSetting[] */
     protected static $candleSettings;
     /** @var int */
-    protected static $compatibility;
+    public static $compatibility;
 
     /**
      * Core constructor.