def _writeln(self, format, *args):
        self._write(format, *args)
        self._write('\n')
Helper function that returns a dictionary of all DateFields or
dataset/ETHPy150Open twisted/twisted/twisted/trial/reporter.py/Reporter._writeln--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/contrib/databrowse/plugins/calendars.py/CalendarPlugin.field_dict