Hello, great cl-xml author

Recently I found cl-xml in cl-http's contrib directory and then found cl-xml's newest version at common-lisp.net.

The PATCH-1 file in attach can fix the build on LispWorks 5, and PATCH-2 maybe useful because Mac OS X is on Intel now.

I haven't start to use cl-xml, just learn it from yesterday. Now I'm studying and using cl-http 70.214, seems cl-xml can work with it.

Regards

Chun TIAN (binghe)