Python 3 updates and fixes.
The command used was: 2to3 -w \ -f buffer \ -f idioms \ -f set_literal \ -f ws_comma \ -x except \ -x import \ -x imports \ -x long \ -x numliterals \ -x xrange \ .
The changes to the compat module and multi package were reverted prior to committing.
Authored by: bugman 2013-03-12
Parent: [r18794]
Child: [r18796]
