Log Message:
Update from 0.15 to 0.17.
  - Added some examples to the examples/ directory.
  - Updated the MANIFEST.
  - Added the :warndie tag and the internal Error::WarnDie package that
    provides custom __WARN__ and __DIE__ handlers.
  - Added the flush() method from Alasdair Allan.
  - Fixed a test in t/05text-errors-with-file-handles.t to work on
    MS Windows due to File::Spec and require inconsistency.
  - Fixed https://rt.cpan.org/Ticket/Display.html?id=3291
  - According to https://rt.cpan.org/Ticket/Display.html?id=6130 - made
    the auto-conversion of textual errors to object customizable.
  - Fixed the conversion of textual messages to Error::Simple when
    they contain information about an open filehandle. (as reported in
    http://rt.cpan.org/Ticket/Display.html?id=6130 )
  - Added POD to the lib/Error/Simple.pm module.
  - Added the lib/Error/Simple.pm module (that just "use"'s Error) so
    one can say "use base 'Error::Simple';' Added an appropriate test.
    Fixes: http://rt.cpan.org/Public/Bug/Display.html?id=17841
  - Added Scalar::Util to the dependencies in Makefile.PL.
  - Fixed http://rt.cpan.org/Public/Bug/Display.html?id=18024 and a related
  exception thrown because ->isa was called on something that was not
  certainly an object.
  - Moved Error.pm inside the distribution to reside under lib/.