Henry,
I have looked at the code, and have fixed a couple of problems in the C AOLserver modules needed for NSSoap, but I haven't gotten it to work yet.
I have been in contact with Lee Teague about is, but I need to follow up more.
The TclSOAP project is the foundation of NSSoap along with nsexpat, and aolserver wrapper to the expat parser and nstcldom, a C version for aolserver of TclDOM.