Added validationMade() to websocket protocol, to be able to parse the

incoming host information at connection (for getting the browser
session id directly from the path as ws://.../?csessid).

evennia/utils/txws.py

@@ -537,6 +537,7 @@ class WebSocketProtocol(ProtocolWrapper):
                 log.msg("Can't support protocol version %s!" % version)
                 return False
 
+        self.validationMade() # custom Evennia addition
         return True
 
     def dataReceived(self, data):