Close #17666: Fix reading gzip files with an extra field.
Issue #15535: Fix pickling of named tuples.
Issue #17843: Remove bz2 test data that triggers antivirus warnings.
Issue #17857: Prevent build failures with pre-3.5.0 versions of sqlite3,
such as was shipped with Centos 5 and Mac OS X 10.4.
Issue #1159051: Back out a fix for handling corrupted gzip files that
broke backwards compatibility.
Issue #17915: Fix interoperability of xml.sax with file objects returned by
codecs.open().
Bump to version 3.2.5.
Added tag v3.2.5 for changeset cef745775b65