• Added in patch by David Cantrell to allow use of DATA filehandle
  
• Fixed bug where attempting to export() a structure that used autobless would die
  
• Fixed arraytest slowness by localizing $SIG{DIE} to prevent Test::Builder's
  $SIG{DIE} from being called. (q.v. http://perldoc.perl.org/functions/eval.html)
  
• More methods have been made private:
  
  • root() is now _root()
    
  • base_offset() is now _base_offset()
    
  • fh() is now _fh()
    
  • type() is now _type()
    
  • precalc_sizes() is now _precalc_sizes()