Accept PEP 434 and mark it as Active

pep-0434.txt

@@ -5,13 +5,15 @@ Last-Modified: $Date$
 Author: Todd Rovito <rovitotv@gmail.com>,
         Terry Reedy <tjreedy@udel.edu>
 BDFL-Delegate: Nick Coghlan
-Status: Draft
+Status: Active
 Type: Informational
 Content-Type: text/x-rst
 Created: 16-Feb-2013
 Post-History: 16-Feb-2013
               03-Mar-2013
               21-Mar-2013
+              30-Mar-2013
+Resolution: http://mail.python.org/pipermail/python-dev/2013-March/125003.html
 
 
 Abstract