Add a timing flag to Trace so you can see where slowness occurs
like waiting for socket timeouts in test_smtplib :-).
diff --git a/Misc/NEWS b/Misc/NEWS
index 38b4730..d72fe74 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -441,6 +441,8 @@
 Library
 -------
 
+- Add a timing parameter when using trace.Trace to print out timestamps.
+
 - #1627: httplib now ignores negative Content-Length headers.
 
 - #900744: If an invalid chunked-encoding header is sent by a server,