• Fixed handling of inserted garbage (as from viruses)
  
• Always check for local header signatures before using them
  
• Added updateMember() and updateTree() functions
  
• Added examples/mailZip.pl
  
• Added examples/updateTree.pl
  
• Fixed some potential but unreported bugs with function parameters like '0'
  
• Removed stray warn() call
  
• Caught undef second arg to replaceMember()
  
• Fixed test suite run with spaces in build dir name (ticket 4214)