def add_event(options)
      self.events ||= []
      event = EventAssertion.new
      event.add_value(options)
      self.events << event
    end
def add_event(options)
      self.events ||= []
      event = EventAssertion.new
      event.add_value(options)
      self.events << event
    end
====Params
 * <tt>options</tt> - Accepts the following options
 ** :type - 'Marriage', etc. REQUIRED
 ** :date - 'Utah, United States' (optional)
 ** :place - '16 Nov 1987' (optional)