module documentation

Implement standard (and unused) TCP protocols.

These protocols are either provided by inetd, or are not provided at all.

Class Chargen Generate repeating noise (RFC 864).
Class Daytime Send back the daytime in ASCII form (RFC 867).
Class Discard Discard any received data (RFC 863).
Class Echo As soon as any data is received, write it back (RFC 862).
Class QOTD Return a quote of the day (RFC 865).
Class Time Send back the time in machine readable form (RFC 868).
Class Who Return list of active users (RFC 866)