• (ms) Fixed caller stack with Buffer composite appender
  
• (ms) Fixed 'local caller_depth' error in various places. First
  localizing a variable and then increasing it is incorrect,
  as this ignores previous settings. The correct way of
  increasing the caller level is: 'local depth = depth + 1'.
  
• (ms) Added Log::Log4perl::Catalyst for use in Catalyst applications.