User Instance
GET /api/users/258/?format=api
{
"username": "Exatomos",
"gravatar": "//www.gravatar.com/avatar/3a89df19cb5ed6670179149b2c25cfec?d=wavatar",
"has_key": false
}GET /api/users/258/?format=api
{
"username": "Exatomos",
"gravatar": "//www.gravatar.com/avatar/3a89df19cb5ed6670179149b2c25cfec?d=wavatar",
"has_key": false
}