reply.py example now checks for self-authoring

examples/reply.py

@@ -5,6 +5,10 @@ client.login('email', 'password')
 
 @client.event
 def on_message(message):
+    # we do not want the bot to reply to itself
+    if message.author == client.user:
+        return
+
     if message.content.startswith('!hello'):
         client.send_message(message.channel, 'Hello {}!'.format(message.author.mention()))