#### 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

from __future__ import absolute_import, division, print_function
__metaclass__ = type
import json
from ansible.module_utils.urls import open_url
from ansible.module_utils._text import to_text
from ansible.module_utils.six.moves import http_client
from ansible.module_utils.six.moves.urllib.error import URLError, HTTPError
GET_HEADERS = {'accept': 'application/json', 'OData-Version': '4.0'}
POST_HEADERS = {'content-type': 'application/json', 'accept': 'application/json',
                'OData-Version': '4.0'}
PATCH_HEADERS = {'content-type': 'application/json', 'accept': 'application/json',
                 'OData-Version': '4.0'}
DELETE_HEADERS = {'accept': 'application/json', 'OData-Version': '4.0'}
class RedfishUtils(object):
    def __init__(self, creds, root_uri, timeout, module):
        self.root_uri = root_uri
        self.creds = creds
        self.timeout = timeout
        self.module = module
        self.service_root = '/redfish/v1/'
        self._init_session()
    
    def get_request(self, uri):