#### SUMMARY
This feature would implement a UpdateUserName command for the Accounts category of redfish_command, to update user name. And also implement a UpdatePasswordPolicy command for the Accounts category of redfish_command to change password policy.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
redfish_command

##### ADDITIONAL INFORMATION
These 2 commands would help user to update user name or update password policy

response = self.get_request(self.root_uri + log_svcs_entry[u'@odata.id'])
            if response['ret'] is False:
                return response
            _data = response['data']
            if 'Entries' in _data:
                log_svcs_uri_list.append(_data['Entries'][u'@odata.id'])
        
        for log_svcs_uri in log_svcs_uri_list:
            logs = {}
            list_of_log_entries = []
            response = self.get_request(self.root_uri + log_svcs_uri)
            if response['ret'] is False:
                return response
            data = response['data']
            logs['Description'] = data.get('Description',
                                           'Collection of log entries')
            
            for logEntry in data.get('Members', []):
                entry = {}
                for prop in properties:
                    if prop in logEntry:
                        entry[prop] = logEntry.get(prop)
                if entry:
                    list_of_log_entries.append(entry)
            log_name = log_svcs_uri.split('/')[-1]
            logs[log_name] = list_of_log_entries
            list_of_logs.append(logs)
        
        return {'ret': True, 'entries': list_of_logs}
    def clear_logs(self):