prepared the 1.33.0 release

CHANGELOG

@@ -1,4 +1,4 @@
-* 1.33.0 (2017-XX-XX)
+* 1.33.0 (2017-03-22)
 
  * fixed a race condition handling when writing cache files
  * "length" filter now returns string length when applied to an object that does

ext/twig/php_twig.h

@@ -15,7 +15,7 @@
 #ifndef PHP_TWIG_H
 #define PHP_TWIG_H
 
-#define PHP_TWIG_VERSION "1.33.0-DEV"
+#define PHP_TWIG_VERSION "1.33.0"
 
 #include "php.h"
 

lib/Twig/Environment.php

@@ -21,7 +21,7 @@ class Twig_Environment
     const MAJOR_VERSION = 1;
     const MINOR_VERSION = 33;
     const RELEASE_VERSION = 0;
-    const EXTRA_VERSION = 'DEV';
+    const EXTRA_VERSION = '';
 
     protected $charset;
     protected $loader;