working version
added debug code
html
changed dest dir
changed debug level
auto-delete non-admin user when session expires
demo
register
randomly pick online user
randomly pick online user
admin auto-login, echo message to a user
small bug
fucking bug
ddd
chatbot
exclude current user when randomly choose chat partner
auto-disconnect
re-connect xmpp server on-demand
not to delete user account
create xmpp account when registration