Add Session.user in favor of Session.user_id

examples/basic_usage.py

@@ -3,13 +3,10 @@ import fbchat
 # Log the user in
 session = fbchat.Session.login("<email>", "<password>")
 
-print("Own id: {}".format(session.user_id))
-
-# Create helper User class
-user = fbchat.Thread(session=session, id=session.user_id)
+print("Own id: {}".format(session.user.id))
 
 # Send a message to yourself
-user.send_text("Hi me!")
+session.user.send_text("Hi me!")
 
 # Log the user out
 session.logout()