Forward compatibility with upcoming EventLoop v1.0 and v0.5

Author: clue

composer.json

@@ -19,12 +19,12 @@
     "require": {
         "php": ">=5.3",
         "react/socket": "^0.7.1",
-        "react/event-loop": "^0.4 || ^0.3",
-        "react/promise": " ^2.1 || ^1.2",
+        "react/promise": " ^2.1 || ^1.2.1",
         "ringcentral/psr7": "^1.2"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.0 || ^4.8",
+        "react/event-loop": "^1.0 || ^0.5 || ^0.4 || ^0.3",
         "clue/block-react": "^1.1"
     }
 }