Updated README.

README.md

@@ -40,6 +40,7 @@ from snekbot.bot import Bot
 class ExampleBot(Bot):
 
     async def on_join(self, channel_uid):
+        await super().on_join(channel_uid)
         print(f"I joined!")
         await self.send_message(
             channel_uid,
@@ -47,6 +48,7 @@ class ExampleBot(Bot):
         )
 
     async def on_leave(self, channel_uid):
+        await super().on_leave(channel_uid)
         print(f"I left!!")
         await self.send_message(
             channel_uid, "I stop actively being part of the conversation now. Bye!"
@@ -56,7 +58,7 @@ class ExampleBot(Bot):
         print(f"Ping from {user_nick} in channel {channel_uid}: {message}")
         await self.send_message(channel_uid, "pong " + message)
 
-    async def on_own_message(self, data):
+    async def on_own_message(self, channel_uid, data):
         print(f"Received my own message: {data.message}")
 
     async def on_mention(self, username, user_nick, channel_uid, message):