Fix command-line parsing.

change filename.ext to filename.article.ext instead of filename.ext.article.

are available.

Now calculates, stores, and compares MD5 digest of attachments and discards
duplicates.

Logs number of chars posted.

(default storage dir is data/subs/attach).
Reduced default lines_per_yield from 10 to 5 (less CPU usage).
New recv_lines counter releases timeslices based on all lines received
(including header fields).
No longer imports blank/empty messages (attachments only?).
Logs number of (body text) lines imported per message.

longer consume 100% CPU while importing.

global user object).

global user object).

connection (Don't send real name to server)

arrays from being expanded and documented.

(over-rides default tagline).

OPTGROUP tag now).

didn't work since JS interpretted ~0 as -1, so now initializing the default
import pointer to NaN (not a number), which works to import NO messages
for a newly linked sub-board (resolving a sysop FAQ).

selected via message ID (allows NEXT to increment article number).

left/right.
Global CTRL keys work with latest CVS.

Added numeric 265, 266, Fixed /kick, fixed "nick in use on
connect" bug.  Fixed text being shown while not in channel.
Removed debug output while connecting (PASS/NICK/USER commands)

conflicts with the global user object) to "guest".