for Deuce. :-)

- returns true/false if the user's terminal supports all the passed flags
- returns the supported flags if no flags are passed for comparison
- automatically uses the auto-terminal-type flags if no user is logged-on

* CON_L_ECHOX (no such thing as local echo now)
* node_dollars_per_call (no such thing as a 976/900 billing node)
* node_min_bps (no such thing as bps rate)

including one file in another without auto-prepended CRLF.

P_OPENCLOSE method.

if text/menu/*prot.asc does not exist.

Better file length and read error checking in printfile() and printtail().