Update manager.py

Author: oliver-zehentleitner

unicorn_binance_websocket_api/manager.py

@@ -198,7 +198,7 @@ def __init__(self,
                  high_performance=False):
         threading.Thread.__init__(self)
         self.name = "unicorn-binance-websocket-api"
-        self.version = "1.40.6.dev"
+        self.version = "1.40.6"
         logger.info(f"New instance of {self.get_user_agent()} on "
                     f"{str(platform.system())} {str(platform.release())} for exchange {exchange} started ...")
         if disable_colorama is not True: