User Instance
GET /api/users/304/?format=api
{
"username": "Scrayn",
"gravatar": "//www.gravatar.com/avatar/a81efe245a2b44ab22dbae3f2c3d25c6?d=wavatar",
"has_key": false
}GET /api/users/304/?format=api
{
"username": "Scrayn",
"gravatar": "//www.gravatar.com/avatar/a81efe245a2b44ab22dbae3f2c3d25c6?d=wavatar",
"has_key": false
}