xxxxx.xxxxx.account.records.get
        ===================================
        获取账户财务记录

def records_get(self, nick, start_time=None, end_time=None):
        '''xxxxx.xxxxx.account.records.get
        ===================================
        获取账户财务记录'''
        request = TOPRequest('xxxxx.xxxxx.account.records.get')
        request['nick'] = nick
        if start_time!=None: request['start_time'] = start_time
        if end_time!=None: request['end_time'] = end_time
        self.create(self.execute(request), models={'result':AccountRecord})
        return self.result