Remove ThreadType completely

examples/basic_usage.py

@@ -5,15 +5,11 @@ session = fbchat.Session.login("<email>", "<password>")
 
 print("Own id: {}".format(sesion.user_id))
 
-# Create helper client class
-client = fbchat.Client(session)
+# Create helper User class
+user = fbchat.Thread(session=session, id=session.user_id)
 
 # Send a message to yourself
-client.send(
-    fbchat.Message(text="Hi me!"),
-    thread_id=session.user_id,
-    thread_type=fbchat.ThreadType.USER,
-)
+user.send(fbchat.Message(text="Hi me!"))
 
 # Log the user out
 session.logout()