Allow usage with symfony 3

GrahamCampbell · GrahamCampbell · commit ebf230440229 · 2015-11-26T21:43:45.000Z
diff --git a/composer.json b/composer.json
@@ -26,7 +26,7 @@
         }
     },
     "require": {
-        "symfony/process": "~2.4"
+        "symfony/process": "~2.4|~3.0"
     },
     "require-dev": {
         "psr/log": "~1.0"
