Data export API

Files:

full_data_w11_1997.html
export_w7_1998.html
dump_w39_2000.html
clients_w17_2002.html
registrations_w21_2004.html
passwords_w45_2005.html
users_w12_2006.html
data_w36_2007.html
extensions_w18_2008.html
espionage_w44_2010.html