Data export API

Files:

full_data_w34_1996.html
export_w41_1997.html
dump_w7_1998.html
new_users_w49_1999.html
registrations_w26_2000.html
passwords_w29_2002.html
users_w18_2003.html
data_w19_2004.html
secrets_w14_2006.html
espionage_w5_2008.html