Make builds support Python 3.13

indra/cmake/Python.cmake

@@ -13,7 +13,7 @@ elseif (WINDOWS)
   foreach(hive HKEY_CURRENT_USER HKEY_LOCAL_MACHINE)
     # prefer more recent Python versions to older ones, if multiple versions
     # are installed
-    foreach(pyver 3.12 3.11 3.10 3.9 3.8 3.7)
+    foreach(pyver 3.13 3.12 3.11 3.10 3.9 3.8 3.7)
       list(APPEND regpaths "[${hive}\\SOFTWARE\\Python\\PythonCore\\${pyver}\\InstallPath]")
     endforeach()
   endforeach()

indra/llmessage/llproxy.cpp

@@ -506,6 +506,7 @@ static apr_status_t tcp_blocking_handshake(LLSocket::ptr_t handle, char * dataou
         rv = apr_socket_recv(apr_socket, datain, &maxinlen);
         if (rv != APR_SUCCESS)
         {
+            // if rv == 70060 it's WSAETIMEDOUT
             char buf[MAX_STRING];
             LL_WARNS("Proxy") << "Error receiving data from proxy control channel, status: " << rv << " " << apr_strerror(rv, buf, MAX_STRING) << LL_ENDL;
             ll_apr_warn_status(rv);