Add on_message_delete event and Client.messages attribute.

examples/deleted.py

@@ -0,0 +1,16 @@
+import discord
+
+client = discord.Client()
+client.login('email', 'password')
+
+@client.event
+def on_ready():
+    print('Connected!')
+    print('Username: ' + client.user.name)
+    print('ID: ' + client.user.id)
+
+@client.event
+def on_message_delete(message):
+    client.send_message(message.channel, '{} has deleted the message:\n{}'.format(message.author.name, message.content))
+
+client.run()