Returns the search results as a list of JSON objects.

def json(self):
        """Returns the search results as a list of JSON objects."""
        if self.search_results is None:
            return None

        result = []
        for row in self.search_results['rows']:
            obj = {}
            for index in range(0, len(self.search_results['fields'])):
                obj[self.search_results['fields'][index]] = row[index]
            result.append(obj)

        return result