add more high-level event filters

deltachat-rpc-client/examples/echobot.py

@@ -18,7 +18,8 @@ async def log_event(event):
 
 @hooks.on(events.NewMessage)
 async def echo(event):
-    await event.chat.send_text(event.text)
+    snapshot = event.message_snapshot
+    await snapshot.chat.send_text(snapshot.text)
 
 
 if __name__ == "__main__":