Log Message:
PkgSrc changes:
  - Updating package for perl modules List::Util and Scalar::Util to 1.20
    from 1.19 (which is in perl core, too)
  - Setting license to gnu-gpl-v2

Upstream changes:
1.20 -- Wed May 13 16:42:53 CDT 2009

*** NOTE***
This distribution now requires perl 5.6 or greater

Bug Fixes
  * Fixed stack pop issue in POP_MULTICALL
  * Fixed error reporting in import when XS not compiled
  * Check first argument to reduce is a CODE reference to avoid segfault
  * Handle overloaded and tied values
  * Fix tainted test to run on Win32

Enhancements
  * Added List::Util::XS so authors can depend on XS version
  * Removed need for dummy methods in UNIVERSAL for perl-only code