• Fix warnings that appear when compiling using the clang C compiler by
  default.
  
  • https://rt.cpan.org/Ticket/Display.html?id=77802
    
  • Thanks to duvny for the report, and to seldon, doy and Zefram
    for their assistance in fixing the warnings.
    
• Fix tests and run-time errors when Hash::FieldHash is installed
  by no longer using Hash::FieldHash.
  
  • https://rt.cpan.org/Ticket/Display.html?id=77576
    
  • Thanks to hsk@fli-leibniz.de for reporting it, and to
    Father Chrysostomos ( http://search.cpan.org/~sprout/ ) and
    Mons Anderson for some diagnosis.