User Instance
GET /api/users/255/?format=api
{
"username": "CE2LO Prod",
"gravatar": "//www.gravatar.com/avatar/3b3740e766707eb22bb739dc2d265810?d=wavatar",
"has_key": false
}GET /api/users/255/?format=api
{
"username": "CE2LO Prod",
"gravatar": "//www.gravatar.com/avatar/3b3740e766707eb22bb739dc2d265810?d=wavatar",
"has_key": false
}