[WebSocket] Connection API

All implementations of ConnectionInterface return themselves

Version/Hixie76/Connection.php

@@ -7,10 +7,12 @@ use Ratchet\AbstractConnectionDecorator;
  */
 class Connection extends AbstractConnectionDecorator {
     public function send($msg) {
-        return $this->getConnection()->send(chr(0) . $msg . chr(255));
+        $this->getConnection()->send(chr(0) . $msg . chr(255));
+
+        return $this;
     }
 
     public function close() {
-        return $this->getConnection()->close();
+        $this->getConnection()->close();
     }
 }

Version/RFC6455/Connection.php

@@ -14,6 +14,8 @@ class Connection extends AbstractConnectionDecorator {
         }
 
         $this->getConnection()->send($msg->getContents());
+
+        return $this;
     }
 
     /**