[perl6/specs] 13a69e: [S32] Mu cleanup

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 13a69e809d4318045b8b8ee9eaa4d22b254f5095
      https://github.com/perl6/specs/commit/13a69e809d4318045b8b8ee9eaa4d22b254f5095
  Author: Moritz Lenz <moritz <at> faui2k3.org>
  Date:   2012-06-29 (Fri, 29 Jun 2012)

  Changed paths:
    M S32-setting-library/Basics.pod

  Log Message:
  -----------
  [S32] Mu cleanup

Mu is a class, not a role.
There is no need for an undefine method.
new() must be a multi method