MHD_Response *response = MHD_create_response_from_buffer(
contents_and_type.first.size(), &contents_and_type.first[0], MHD_RESPMEM_MUST_COPY);
MHD_add_response_header(response, "Content-type", contents_and_type.second.c_str());
MHD_Response *response = MHD_create_response_from_buffer(
contents_and_type.first.size(), &contents_and_type.first[0], MHD_RESPMEM_MUST_COPY);
MHD_add_response_header(response, "Content-type", contents_and_type.second.c_str());