• (ms) Jon Bjornstad noticed that the file appender wasn't including
  $! in the die() exception thrown if open_file() fails. Added it.
  
• (ms) Added umask option to file appender
  
• (ms) Fix to L4p::Util::module::available() for Win32
  compliance by Roger Yager roger.yager@eyestreet.com
  
• (ms) Added check to L4p::Util::module_available() returning true
  if the pm file is available in %INC, indicating that it has
  already been loaded. This fixes a problem when running L4p
  in a PAR binary.
  
• (ms) Added remove_appender() and eradicate_appender() method to
  Logger.pm, test cases and documentation on the main Log4perl
  page.
  
• (ms) Added a generic buffered composite appender, L4p::Appender::Buffer,
  buffering messages until a trigger condition is met.