Allow the last version of psr-http-message-bridge

Author: dunglas

composer.json

@@ -15,7 +15,7 @@
     "require": {
         "php": ">=5.5.0",
         "nilportugues/api-transformer": "^3.0.0",
-        "symfony/psr-http-message-bridge" : "0.2"
+        "symfony/psr-http-message-bridge" : "^0.2|^0.3"
     },
     "require-dev": {
         "phpunit/phpunit": "4.*",