initial
add index.php to redesign
write done authentication logic without testing
implement all logic except methods and checks
fix bug that question is set before given ; show username when setting password ; delete useless comment
fix bug that 'set_password_render' has two args
delete forget_pass.php
add session expire, modify coding style of 'authenticate_view'
modify template of Q/A process
modify coding style of 'set_password_view'
use session_destroy instead of session_unset
implement part of feature that retrieve database and fix POST bug in 'authenticate_view'
fix bug that SQL query should be ``select *``
modify checks in authenticate_view for coding style and to avoid making vulnerability
modify check of getting question ; it should be redesign in the future
add chpass.sh and note.rst
update note that about backup policy
completed 'chpass.sh' with debug line
updated notes and modify location of config.inc.ph
comment debug line and uncomment yp make