Bump required version of php-token-stream

Author: sebastianbergmann

composer.json

@@ -23,7 +23,7 @@
     "require": {
         "php": ">=5.3.3",
         "phpunit/php-file-iterator": "~1.3.1",
-        "phpunit/php-token-stream": "~1.1.3",
+        "phpunit/php-token-stream": "~1.2.2",
         "phpunit/php-text-template": "~1.2",
         "sebastian/environment": "~1.0",
         "sebastian/version": "~1.0.3"