Data export API

Files:

dump_w5_1997.html
new_users_w35_1998.html
clients_w11_1999.html
registrations_w43_2001.html
passwords_w21_2002.html
food_w35_2003.html
data_w35_2004.html
extensions_w12_2005.html
secrets_w40_2006.html
espionage_w3_2007.html