Update to 1.16:

1.16 Sun 29 Mar 2015
  - Remove use Test::Script from tests that escaped when this requirement
    became optional.

1.15 Sun 29 Mar 2015
  - Fixed small but important POD error

1.14 Sun 29 Mar 2015
  - App::pwhich is no longer bundled with File::Which and included
    in its own distribution.
  - pwhich that comes with this distribution is deprecated, and will
    report a warning if you try to use it, you should insted install
    App::pwhich.
  - pwhich that comes with this distribution will not be installed if
    App::pwhich 1.14 or better is already installed.
  - pwhich will be removed from this distribution, but not before
    30 April 2015.
  - Make Test::Script an optional dependency

1.12 Thu 26 Mar 2015
  - Fixed bug in pwhich introduced in version 1.10 where only the
    first file was searched for

1.11 Thu 26 Mar 2015
  - Support for relative and fully qualified paths in Unix (gh#2)

1.10 Thu 26 Mar 2015
  - Test::Script is now a test instead of runtime requirement
    It will be entirely removed as a prerequisite in a subsequent
    release
  - Will now find .exe and .com files (as it should) on cygwin (rt83146)
  - Declared required Perl version is now 5.005003
  - Updated repository and maintainer information.  Source for this
    dist now lives on GitHub
  - New module App::pwhich contains the guts of pwhich.  It will be moved
    into a separate dist in the near future.  pwhich will be deprecated
    and removed from this dist in the near future.

(wiz)