Log Message:
Update to 0.072

Upstream changes:
0.072     2015-07-20 16:07:20-04:00 America/New_York

    - No changes from 0.071

0.071     2015-07-17 13:40:08-04:00 America/New_York (TRIAL RELEASE)

    [FIXED]

    - Fixed incorrect error argument for File::Path functions
      (mkpath and remove_tree)

0.070     2015-06-28 13:50:16-04:00 America/New_York

    - No changes from 0.069

0.069     2015-06-18 18:09:44-04:00 America/New_York (TRIAL RELEASE)

    [CHANGED]

    - The 'copy' method now returns the object for the copied file

    [FIXED]

    - The 'visit' method only dereferences the callback return value
      for scalar refs, avoiding some common bugs