old_contents: 
  import sys
  import os
  
  import __main__
  
  # a generic error class for throwing exceptions
  class error(Exception):
      def __init__(self, fmt, *args):
          self.str = fmt % args
  
      def __str__(self):
          return self.str
  
  
  from . import settings
  from . import util
  from . import server
  
  util.setPrefix()
  util.setNameSpace('')
  
new_contents: 
  import sys
  import os
  
  VERSION = '0.2.8'
  
  # a generic error class for throwing exceptions
  class error(Exception):
      def __init__(self, fmt, *args):
          self.str = fmt % args
  
      def __str__(self):
          return self.str
  
  
  from . import settings
  from . import util
  from . import server
  
  util.setPrefix()
  util.setNameSpace('')
  
subject: add version info