• Cleaned up t/28new_callbacks_multiple.t - convert to a Counter
  and Stacker class.
  
  • After that, the regression test for was added:
    
    • https://rt.cpan.org/Ticket/Display.html?id=51086
      
  • Already fixed in the trunk.
    
• Add the file HACKING.txt with style guidelines.
  
• Fix https://rt.cpan.org/Ticket/Display.html?id=53270 (with a test
  in t/49_load_html.t ) - uncovered some more bugs in the process
  documented in TODO.
  
  • << suppress_errors option not honored by load_html() method if set in
    parser object >>
    
• Created t/lib/TestHelpers.pm with slurp(), utf8_slurp() and, in the
  future, some other routines.
  
• skipping for LIBXML_RUNTIME_VERSION() less than 2.7 instead of
  more than in t/09xpath.t :
  
  • https://rt.cpan.org/Ticket/Display.html?id=69205
    
  • Thanks to DOUGW .