work since then uifc/ANSI and uifcx could be used internall by JS scripts
for a BBS session.

Ths should fix the mystery termination bug when ran from xterm.

to avoid collision with one declared in sbbs.h (and defined in d<mumble>.c)

tv_sec is not a time_t... use one for localtime_r()

Fix spelling error which keeps spreading to new files.

Re-introduced xpTimeZone_t to isoDate/Time_t conversion functions.

of "bound-less" date/time values.

Created functions:  isoTimeZone_parse, isoDateTime_parse, and
xpDateTime_to_isoDateTime.
Created macro: LOCAL_UTC_DIFF which gives a "normalized" timezone value.

isoDate/Time and time_t. These new structures support fractional seconds and
time-zone information.