User Instance
GET /api/users/353/?format=api
{
"username": "Astramast",
"gravatar": "//www.gravatar.com/avatar/db95f878972eccb47fbf85997eed35cb?d=wavatar",
"has_key": true
}GET /api/users/353/?format=api
{
"username": "Astramast",
"gravatar": "//www.gravatar.com/avatar/db95f878972eccb47fbf85997eed35cb?d=wavatar",
"has_key": true
}