Change default PdoBddHandler cache & container length. For the best r…

…atio memory_usage/execution_time (measured on PHP 7 with SQLite).

This may be largely function with memory_limit at 128M, and it's not longer.

lib/DataManager/ArrayManager.php

@@ -21,8 +21,8 @@ abstract class ArrayManager implements \ArrayAccess,\Countable,\Iterator
 
         //////
 
-    protected static $CacheSize =  5000;
-    protected static $MaxContainerLength =  3000;
+    public static $CacheSize =  2000;
+    public static $MaxContainerLength =  2000;
 
     protected $_Container = [];
     protected $_DataHandler = null;