Few issues

[razr73]

'id' changed to 'order_id'
'type' changed to 'order_type'
'exchange' changed to 'bitfinex'
amount and price have to be decimal strings (e.g. '1.00')

def cancel_all(self):
return self.api_call('/v1/positions', {}).json()

changed to
def position():

[akcarsten]

Thanks for pointing out these issues. The files are updated now.