Do not export unused Encode::decode_utf8 function
Enable build/run/test in MSWin32 environments

This removes the dependency and use of I18N::Langinfo on MSWin32
platforms, but keeps it for everything else. Closes #9.

Original patch by Graham Ollis (CPAN:PLICEASE)
Set version 0.1.9_1
Changes update
Do not decode @ARGV at all unless we are certain of environment
VERSION 0.1.9_2