allow 0.4 dev packages.

Author: makasim

composer.json

@@ -13,18 +13,18 @@
     "require": {
         "php": ">=5.6",
         "symfony/framework-bundle": "^2.8|^3",
-        "enqueue/enqueue": "^0.3",
-        "enqueue/null": "^0.3"
+        "enqueue/enqueue": "^0.3|0.4@dev",
+        "enqueue/null": "^0.3|0.4@dev"
     },
     "require-dev": {
         "phpunit/phpunit": "~5.5",
-        "enqueue/stomp": "^0.3@dev",
-        "enqueue/amqp-ext": "^0.3@dev",
-        "enqueue/job-queue": "^0.3@dev",
-        "enqueue/fs": "^0.3",
-        "enqueue/redis": "^0.3",
-        "enqueue/dbal": "^0.3",
-        "enqueue/test": "^0.3@dev",
+        "enqueue/stomp": "^0.3@dev|0.4@dev",
+        "enqueue/amqp-ext": "^0.3@dev|0.4@dev",
+        "enqueue/job-queue": "^0.3@dev|0.4@dev",
+        "enqueue/fs": "^0.3|0.4@dev",
+        "enqueue/redis": "^0.3|0.4@dev",
+        "enqueue/dbal": "^0.3|0.4@dev",
+        "enqueue/test": "^0.3@dev|0.4@dev",
         "doctrine/doctrine-bundle": "~1.2",
         "symfony/monolog-bundle": "^2.8|^3",
         "symfony/browser-kit": "^2.8|^3",