User Instance
GET /api/users/134/?format=api
{
"username": "aureooms",
"gravatar": "//www.gravatar.com/avatar/4ac2137780257ff79f9bc52aef50310e?d=wavatar",
"has_key": false
}GET /api/users/134/?format=api
{
"username": "aureooms",
"gravatar": "//www.gravatar.com/avatar/4ac2137780257ff79f9bc52aef50310e?d=wavatar",
"has_key": false
}