prepared the 1.6.4 release

CHANGELOG

@@ -1,4 +1,4 @@
-* 1.6.4 (2012-XX-XX)
+* 1.6.4 (2012-04-02)
 
  * fixed PHP notice in Twig_Error::guessTemplateLine() introduced in 1.6.3
  * fixed performance when compiling large files

ext/twig/php_twig.h

@@ -15,7 +15,7 @@
 #ifndef PHP_TWIG_H
 #define PHP_TWIG_H
 
-#define PHP_TWIG_VERSION "1.6.4-DEV"
+#define PHP_TWIG_VERSION "1.6.4"
 
 #include "php.h"
 

lib/Twig/Environment.php

@@ -17,7 +17,7 @@
  */
 class Twig_Environment
 {
-    const VERSION = '1.6.4-DEV';
+    const VERSION = '1.6.4';
 
     protected $charset;
     protected $loader;