Data export API

Files:

full_data_w34_1996.html
export_w10_1997.html
new_users_w43_1999.html
clients_w27_2000.html
registrations_w29_2001.html
passwords_w8_2003.html
food_w12_2004.html
extensions_w50_2007.html
secrets_w51_2008.html
espionage_w37_2009.html