Target evenement 3.0 a long side 2.0

Author: WyriHaximus

composer.json

@@ -10,7 +10,7 @@
         "react/socket": "^1.0 || ^0.8 || ^0.7",
         "react/stream": "^1.0 || ^0.7 || ^0.6 || ^0.5 || ^0.4.2",
         "react/promise": "~2.2",
-        "evenement/evenement": "~2.0"
+        "evenement/evenement": "^3.0 || ^2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.0 || ^4.8.10"