Merge pull request #809 from nineff/master

update to newest RFC6455 library version

Author: cboden

composer.json

@@ -24,7 +24,7 @@
     }
   , "require": {
         "php": ">=5.4.2"
-      , "ratchet/rfc6455": "^0.2"
+      , "ratchet/rfc6455": "^0.3"
       , "react/socket": "^1.0 || ^0.8 || ^0.7 || ^0.6 || ^0.5"
       , "guzzlehttp/psr7": "^1.0"
       , "symfony/http-foundation": "^2.6|^3.0|^4.0|^5.0"