Added new ENV value ANSW_PROTOCOL. Now you can securely recognize user by his nick...

Added new ENV value ANSW_PROTOCOL. Now you can securely recognize user by his nick and protocol (eg.: no one can fake your UIN by setting same IRC nick). eg.: [ "$ANSW_PROTOCOL" = "jabber" ] && [ "$ANSW_FROM" = "user@example.com" ] && echo "Access granted!";