Log Message:
Update to 1.1903:

1.19_03 2014-11-25
- Fix documentation typos (RT 84981)
  contributed by dsteinbrunner
- add -w and -i switches to diffnew.pl (RT 69945)
  contributed by Brian.Eschner
- Remove Algorithm::DiffOld from the index
  The module is still distributed with Algorithm::Diff, but is not indexed on
  CPAN because this is an ***UNAUTHORIZED*** release of Algorithm::DiffOld.