Remove the is_login checking part from the login method,
now the whole checking part is in EynyBoss function.
Modify some of the EynyBoss function call so that it looks more sence.
Improve the cookie management system in the forum class.
Find out that there is a bug in eyny server.
The logout function seems to be very useless since
If we replay back with the old cookie, the server side still accept it. :)
Which is an weird behavior.