User Instance
GET /api/users/272/?format=api
{
"username": "spuchals",
"gravatar": "//www.gravatar.com/avatar/ce125743b0ce05fc124e575122c3364d?d=wavatar",
"has_key": false
}GET /api/users/272/?format=api
{
"username": "spuchals",
"gravatar": "//www.gravatar.com/avatar/ce125743b0ce05fc124e575122c3364d?d=wavatar",
"has_key": false
}