binmode must be called after the fh is opened
don't let warnings from upstream deps kill us! fail for authors only
new "filename" option, for xdg
v2.028

 - fix binmode issue on win32 (introduced in 2.026)
 - warnings tests bypassed during installation, to prevent installation issues
   in the presence of deprecation warnings from upstream dependencies (in this
   case, via Moose 2.1100)
 - new 'filename' option, for creating the compile test in a different
   location