User Instance
GET /api/users/145/?format=api
{
"username": "tperale",
"gravatar": "//www.gravatar.com/avatar/19c7da5f6200e986139074591b8d436b?d=wavatar",
"has_key": false
}GET /api/users/145/?format=api
{
"username": "tperale",
"gravatar": "//www.gravatar.com/avatar/19c7da5f6200e986139074591b8d436b?d=wavatar",
"has_key": false
}