This is used by system.new_user() to create a user object without automatically
assigning it as a new property of system.

Include directory can be over-ridden with -i command-line option.
Using xpdev/dirwrap functions for much improved filename/directory parsing.

Bugfix: each user sub-object requires its own class structure apparently.

Using same class structure for all user objects.

Changed "current" version to 3.11A beta.

Create a v3.10L beta Tarball distro. (dupped to "current" for the moment)

for file fetching.

(corrupted).

on outgoing mail (send anyway).

low ports, even if DONT_BLAME_SYNCHRONET was not defined, which of course
would fail. Afaik, no Unix should allow this and I'm not sure why it was
using _THREAD_SUID_BROKEN (e.g. LinuxThreads) for this determination at all.

from_protocol and from_port JS msg header properties (and documented).

for additional tracking information.
Created DLL-exported msg_client_hfields() in postmsg.cpp as a common function
to add these client tracking header fields.

used to trace message origins for security reasons.

used to trace message origins for security reasons.

Using default definitions for these macros if already defined.