User Instance
GET /api/users/88/?format=api
{
"username": "Yoko",
"gravatar": "//www.gravatar.com/avatar/171094db00d92fb9338385a5bf41d517?d=wavatar",
"has_key": false
}GET /api/users/88/?format=api
{
"username": "Yoko",
"gravatar": "//www.gravatar.com/avatar/171094db00d92fb9338385a5bf41d517?d=wavatar",
"has_key": false
}