Missing support for the read of a single id in res.currency

version 6.1-1

The res.currency doesn't support the reading of a single row.
This differs from the basic support in orm.py/BaseModel.read()

>>> objectsock.execute('openerp', 1, 'demo', 'res.currency', 'read', [1])
... expected result

now asking for a single instance, so not wrapping the id in a list:
>>> objectsock.execute('openerp', 1, 'demo', 'res.currency', 'read', 1)
Fault: <Fault string indices must be integers, not str: 'Traceback (most recent call last):
...
  File "C:\\Program Files\\OpenERP 6.1-1\\server\\.\\openerp\\osv\\osv.py", line 164, in execute_cr
  File "C:\\Program Files\\OpenERP 6.1-1\\server\\openerp\\addons\\base\\res\\res_currency.py", line 103, in read
  TypeError: string indices must be integers, not str