Forward compatibility with EventLoop v1.0 and v0.5

Author: clue

composer.json

@@ -19,7 +19,7 @@
     },
     "require": {
         "php": ">=5.3",
-        "react/event-loop": "^0.4 || ^0.3.5",
+        "react/event-loop": "^1.0 || ^0.5 || ^0.4 || ^0.3.5",
         "react/promise": "~2.1|~1.2"
     },
     "require-dev": {