Update IO-Compress to CPAN version 2.027

Update IO-Compress to CPAN version 2.027

  [DELTA]

  2.027 24 April 2010

      * Compress::Zlib
        Remove autoload code from Zlib.pm.
        [perl #74088]

  2.026 7 April 2010

      * IO::Uncompress::Zip
        - Some updates to IO::Compress::Zip documentation.
        - Fixed default setting for ExtAttr.

  2.025 27 March 2010

      * IO::Uncompress::Unzip
        The "Name" option wasn't documented.

      * Allow zlib version check to be disabled by setting
        TEST_SKIP_VERSION_CHECK environment variable.
        [RT #54510]

  2.024 7 January 2010

      * Compress::Zlib
        Get memGunzip & memGzip to set $gzerrno
        [RT# 47283]

      * Compress::Zlib
        Export memGunzip, memGzip and zlib_version on demand
        [RT# 52992]

      * examples/io/anycat
        This sample was using IO::Uncompress::AnyInflate. Much better to
        use IO::Uncompress::AnyUncompress.

  2.023 9 November 2009

      * IO::Compress::AnyUncompress
        Added support for lzma_alone & xz.

  2.022 9 October 2009

      * IO::Compress - Makefile.PL
        Fix for core.