Given a query dict like
        {
            Prefix.1.Name: [u'event'],
            Prefix.1.Value.StringValue: [u'order_cancelled'],
            Prefix.1.Value.DataType: [u'String'],
            Prefix.2.Name: [u'store'],
            Prefix.2.Value.StringValue: [u'example_corp'],
            Prefix.2.Value.DataType [u'String'],
        }

        returns
        {
            'event': {
                'DataType': 'String',
                'StringValue': 'example_corp'
            },
            'store': {
                'DataType': 'String',
                'StringValue': 'order_cancelled'
            }
        }

def _get_object_map(self, prefix, name='Name', value='Value'):
        """
        Given a query dict like
        {
            Prefix.1.Name: [u'event'],
            Prefix.1.Value.StringValue: [u'order_cancelled'],
            Prefix.1.Value.DataType: [u'String'],
            Prefix.2.Name: [u'store'],
            Prefix.2.Value.StringValue: [u'example_corp'],
            Prefix.2.Value.DataType [u'String'],
        }

        returns
        {
            'event': {
                'DataType': 'String',
                'StringValue': 'example_corp'
            },
            'store': {
                'DataType': 'String',
                'StringValue': 'order_cancelled'
            }
        }
        """
        object_map = {}
        index = 1
        while True:
            # Loop through looking for keys representing object name
            name_key = '{0}.{1}.{2}'.format(prefix, index, name)
            obj_name = self.querystring.get(name_key)
            if not obj_name:
                # Found all keys
                break

            obj = {}
            value_key_prefix = '{0}.{1}.{2}.'.format(
                prefix, index, value)
            for k, v in self.querystring.items():
                if k.startswith(value_key_prefix):
                    _, value_key = k.split(value_key_prefix, 1)
                    obj[value_key] = v[0]

            object_map[obj_name[0]] = obj

            index += 1

        return object_map