• memory management has been completely rewritten.
  now the module should not cause that many memory leaks
  (special thanks to Merijn Broeren and Petr Pajas for providing
  testcases)
  
• more libxml2 functions are used
  
• DOM API is more Level 3 conform
  
• ownerDocument fixed
  
• parser validation bug fixed (reported by Erik Ray)
  
• made parse_xml_chunk() report errors
  
• fixed the PI interface
  
• xpath.pl example
  
• better namespace support
  
• improved NamedNodeMap support
  
• restructured the interfaces
  
• HTML document nodes are recognized as HTML doc nodes instead of plain nodes
  
• XML::LibXML::SAX::Parser able to handle HTML docs now
  (patch by D. Hageman [dhageman@dracken.com])
  
• added serialization flags ($setTagCompression, $skipDtd and
  $skipXMLDeclaration)
  
• more documentation