bumped version to 1.3.3-DEV

doc/changelog.rst

 Changelog
 =========
 
+1.3.3 (2015-XX-XX)
+------------------
+
+* n/a
+
 1.3.2 (2015-08-24)
 ------------------
 

src/Silex/Application.php

@@ -43,7 +43,7 @@ use Silex\EventListener\StringToResponseListener;
  */
 class Application extends \Pimple implements HttpKernelInterface, TerminableInterface
 {
-    const VERSION = '1.3.2';
+    const VERSION = '1.3.3-DEV';
 
     const EARLY_EVENT = 512;
     const LATE_EVENT = -512;