new joinable function which is more complete and more correct than previous
new joinable function which is more complete and more correct than previous

mitdbg/aurum-datadiscovery,mitdbg/aurum-datadiscovery,mitdbg/aurum-datadiscovery,mitdbg/aurum-datadiscovery,mitdbg/aurum-datadiscovery,mitdbg/aurum-datadiscovery