Compiles but lotsa problems.

__SMTP_HELO.cpp

@@ -4,7 +4,7 @@
 namespace mail {
    
    int __SMTP_HELO::processCommand(coreutils::ZString &request, SMTPSession &session, SMTPServer &server) {
-      session.clientDomainName = request[1].str();
+      session.clientDomainName = request[1];
       session.out << "250 " << server.hostName << CRLF;
       session.state = READY;
       return 1;