Update to support react v0.3

Author: clue

composer.json

@@ -16,6 +16,6 @@
  "php": ">=5.3.0",
  "ext-inotify": "*",
  "evenement/evenement": "1.0.*",
- "react/event-loop": "0.2.*"
+ "react/event-loop": ">=0.2, <0.4"
  }
 }