createUser
Description
			Creates a new user		
		Example request
https://www.rundowncreator.com/channel4news/API.php
     ?APIKey=edharken
     &APIToken=HNe2ADG0nBTiC8Q8WiVfsxeG5ip51A
     &Action=createUser
     &Username=bricktamland
     &Password=ilovelamp
     &FirstName=Brick
     &LastName=Tamland
     &EmailAddress=brick@channel4news.com
     &Type=Viewer
		Example response
{
    "UserID": 3
}
		Required parameters
| Username | string | the new user's username | 
| Password | string | the new user's password | 
| FirstName | string | the new user's first name | 
| LastName | string | the new user's last name | 
| EmailAddress | string | the new user's email address | 
| Type | string | the new user's type. Possible values include Viewer, Writer, Producer, and Administrator | 
Optional parameters
None
		Returns
| UserID | integer | the new user's unique ID | 
Notes
Requires permissions of an administrator or higher.