User Instance
GET /api/users/386/?format=api
{
"username": "chobischtroumpf",
"gravatar": "//www.gravatar.com/avatar/4e36a99ef5d259f81eb2e9868d2f94c1?d=wavatar",
"has_key": false
}GET /api/users/386/?format=api
{
"username": "chobischtroumpf",
"gravatar": "//www.gravatar.com/avatar/4e36a99ef5d259f81eb2e9868d2f94c1?d=wavatar",
"has_key": false
}