add memcached client
add DummyClient to mc
add @cache decorater for mc
add methods to deps
add pager
fix bug
add webrequest
add build_url method to WebRequest
fix bug
add need_admin_login decorater
import sqlalchemy.Date
add unicode character code support in tempalte
add startpoint support
remove some useless methods
add form & validator
add email, inline, regular, string validator
add method to form