Merge pull request nullpunkt#14 from max-dreamsoft/master

Stict Standarts error fix

src/LZCompressor/LZUtil16.php

@@ -50,7 +50,7 @@ public static function charCodeAt($str, $num=0)
      * @param string $ch
      * @return bool|integer
      */
-    function utf16_ord($ch) {
+    public static function utf16_ord($ch) {
         $length = strlen($ch);
         if (2 === $length) {
             return hexdec(bin2hex($ch));