allow Doctrine DBAL 3

Author: xabbuh

composer.json

@@ -43,7 +43,7 @@
         "doctrine/cache": "~1.6",
         "doctrine/collections": "~1.0",
         "doctrine/data-fixtures": "^1.1",
-        "doctrine/dbal": "~2.4",
+        "doctrine/dbal": "~2.4|^3.0",
         "doctrine/orm": "^2.6.3",
         "doctrine/reflection": "~1.0"
     },