XSB Src (SVN)-old

b64_dec now accepts list(Var) as output spec

added a check that inpput to b64_dec must be a string.
Fixed a typo in an abort in base64.P

Changed some imports from usermod to correct places.

reconfigured and recompiled for windows.
Also updated xwam files that were in need

added base64.* for base64 encoding/decoding
curl package: headers, put, post
fixed latex bugs in manual2 - viewsys, persistent tables

returned tempfilename to before Teri's changes because her implementation is not equivalent

Fixed psc_mod builtin to return usermod-psc instead of 0.

Fixed a couple of erroneous imports: should not be from usermod.

Ditto of last message.

Finishing port of new builtin compilation to MT.