Dont handle message.

Hallo!
Don't work message handling 
``` elixir
def handle(conn = %Agala.Conn{request: %{"message" => %{"text" => text, "chat" => %{"id" => id}}}}, _)

```
but, when chat member leaved, then messahe handle it! 
``` elixir
def handle(conn, _) 
```
I dont have errors in iex.
