Merge branch 'master' into 0.9

Author: makasim

composer.json

@@ -7,7 +7,7 @@
     "license": "MIT",
     "require": {
         "php": ">=5.6",
-        "queue-interop/queue-interop": "^0.6@dev"
+        "queue-interop/queue-interop": "^0.6@dev|^1.0.0-alpha1"
     },
     "require-dev": {
         "phpunit/phpunit": "~5.4.0",