Minor fixes.

Author: meuppt

src/Cacheton.php

@@ -55,24 +55,17 @@ public function setExpire(int $seconds) {
         $this->expires = $seconds;
     }
 
-    /**
-     * Prevents calling the class using the new keyword, if the __construct is protected.
-     *
-     * @return void
-     */
-    private function __construct() {}
-
     /**
      * Prevents cloning the multiton instances.
      *
      * @return void
      */
-    final private function __clone() {}
+    private function __clone() {}
 
     /**
      * Prevents unserializing the multiton instances.
      *
      * @return void
      */
-    final private function __wakeup() {}
+    private function __wakeup() {}
 }