#### 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

boot_next=dict()
        ),
        supports_check_mode=False
    )
    category = module.params['category']
    command_list = module.params['command']
    
    creds = {'user': module.params['username'],
             'pswd': module.params['password']}
    
    user = {'account_id': module.params['id'],
            'account_username': module.params['new_username'],
            'account_password': module.params['new_password'],
            'account_roleid': module.params['roleid']}
    
    timeout = module.params['timeout']
    
    root_uri = "https://" + module.params['baseuri']
    rf_utils = RedfishUtils(creds, root_uri, timeout, module)
    
    if category not in CATEGORY_COMMANDS_ALL:
        module.fail_json(msg=to_native("Invalid Category '%s'. Valid Categories = %s" % (category, CATEGORY_COMMANDS_ALL.keys())))
    
    for cmd in command_list:
        
        if cmd not in CATEGORY_COMMANDS_ALL[category]:
            module.fail_json(msg=to_native("Invalid Command '%s'. Valid Commands = %s" % (cmd, CATEGORY_COMMANDS_ALL[category])))
    
    if category == "Accounts":
        ACCOUNTS_COMMANDS = {