Log Message:
Update to 1.17:

1.17 -- Mon May 23 08:55:26 CDT 2005

Bug Fixes
  * Update XS code to declare PERL_UNUSED_DECL conditionally

1.16 -- Fri May 20 10:22:49 CDT 2005

Bug Fixes
  * Change to refaddr.t test to avoid false errors on some 64 bit platforms
  * Fix all perl only tests to work when in the core build environment
  * Fix looks like number test to work for 5.8.5 and above

1.15 -- Fri May 13 11:01:15 CDT 2005

Bug Fixes
  * Fixed memory leak in first()

Enhancements
  * Converted tests to use Test::More
  * Improved test coverage
  * Changed Makefile.PL to use Module::Install
  * Refactor use of Sv..X() macros to be Sv.._set()
  * Changes from Jarkko for Symbian port of Perl
  * Documentation updates to weaken()