Move XML-RPC-related docs to the "Internet Protocols" chapter.

Add entry for the SimpleXMLRPCServer module.

Doc/lib/lib.tex

@@ -211,6 +211,8 @@ and how to embed it in other applications.
 \input{libsimplehttp}
 \input{libcgihttp}
 \input{libcookie}
+\input{libxmlrpclib}
+\input{libsimplexmlrpc}
 \input{libasyncore}
 
 \input{netdata}                 % Internet Data Handling
@@ -254,7 +256,6 @@ and how to embed it in other applications.
 \input{xmlsaxutils}
 \input{xmlsaxreader}
 \input{libxmllib}
-\input{libxmlrpclib}
 
 \input{libmm}                   % Multimedia Services
 \input{libaudioop}