• (ms) backwards-compatibility with perl 5.00503
  
• (ms) added system-wide threshold, fixed java-app thresholds
  
• (kg) Nested configuration structures for appenders like L::D::Jabber
  
• (ms) ::Log4perl::Appender::threshold() accepts strings or integer
  levels (as submitted by Aaron Straup Cope asc@vineyard.net)
  
• (ms) Fixed logdie/logwarn caller(x) offset bug reported by
  Brian Duffy Brian.Duffy@DFA.STATE.NY.US
  
• (ms) dies now on PatternLayout without ConversionPattern (helps detecting
  typos in conf files)