[perl-Net-Patricia/f13/master] (2 commits) ...Improve parameter checking; handle 'undef' as $data argument.

[Philip Prindeville]

Summary of changes:

  2075f03... Maintenance version update. (*)
  351f6ca... Improve parameter checking; handle 'undef' as $data argumen

(*) This commit already existed in another branch; no separate mail sent