Data export API

Files:

export_w41_1996.html
dump_w33_1999.html
new_users_w9_2000.html
clients_w14_2001.html
registrations_w46_2003.html
passwords_w46_2004.html
users_w32_2006.html
food_w46_2008.html
extensions_w6_2009.html
espionage_w27_2010.html