text: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  
  OPTIONS = {
  	'new_rules': False,
  	'new_chains': False,
  	'short_item_texts': False,
  	'convert_chains': False,
  	'fast_stack_filters': False
  }
  
  def set_option(option, val):
  	"""
  	"""
  	if not option in OPTIONS:
  		err = "'{}' is not a valid option!".format(option)
  		raise ValueError(err)
  	OPTIONS[option] = val
  	return None
  
  