Call update-user.py when deleting user.
Remove unused code.
Refactor the code
Make more params configurable.
Move <add user> to user management page.
Bugfix

	SQL syntax error in auth-down
	Fix file path in getparam.py
	Fix path error in Install.sh
Enable restarting pppoe-server from web UI.
Refactor the code of rootwrapper.c
Use tmp file to keep track of redirection state.
Remove shell=True from subprocess.call()

	Using shell=True may cause security problems, if the command
	contains ';'.
Delete unused executable binary.

	We compile it on installation.
Use shell=True in subprocess.call()

	shell=False can not work with /sbin/tc.
Use .htaccess to protect web pages.
Promote for admin name.
Update README and TODO
Make the pointer read-only
Use execl(3) instead of system(3).

	Following the advice from system(3) manpage
Add missing apache auth_basic config file
Drop non-http packets, when starting http redirect
Add missing argument of php fread()