Import payment method error

Hi,

New revision #281 posted on the 2013-11-14 to allow batch sync of Payment methods not working:

 File "/usr/prestaconnect/openerp-connector/connector/queue/worker.py", line 122, in run_job
 job.perform(session)
 File "/usr/prestaconnect/openerp-connector/connector/queue/job.py", line 460, in perform
self.result = self.func(session, *self.args, **self.kwargs)
 File "/usr/prestaconnect/prestashoperpconnect/prestashoperpconnect/unit/import_synchronizer.py", line 663, in import_batch
  importer.run(filters=filters, **kwargs)
 File "/usr/prestaconnect/prestashoperpconnect/prestashoperpconnect/unit/import_synchronizer.py", line 202, in run
return super(PaymentMethodsImportSynchronizer, self).run(filters, **kwargs)
 File "/usr/prestaconnect/prestashoperpconnect/prestashoperpconnect/unit/import_synchronizer.py", line 176, in run
record_ids = self._run_page(filters)
 File "/usr/prestaconnect/prestashoperpconnect/prestashoperpconnect/unit/import_synchronizer.py", line 186, in _run_page
self._import_record(record_id, **kwargs)
 File "/usr/prestaconnect/prestashoperpconnect/prestashoperpconnect/unit/import_synchronizer.py", line 206, in _import_record
 ('name', '=', record['payment']),
 TypeError: string indices must be integers, not str