Allows editing a user given their userid
| Argument | Data Type | Required | Description |
| id | integer | Yes | integer containing their user id. |
| firstname | string | Yes | first name of the user |
| lastname | string | Yes | last name of the user |
| address | string | Yes | address of the user |
| city | string | Yes | city of the user |
| region | string | Yes | state/region of the user |
| zip | string | Yes | zipcode/postal code of the user |
| country | string | Yes | two character country code of the user |
| phone | string | Yes | phone number of the user |
| password | string | No | password of the user |
| XML Response | JSON Response |
| <response> <success>User Edited</success> </response> |
{
"success": "User Edited"
} |