User Instance
GET /api/users/114/?format=api
{
"username": "mixone",
"gravatar": "//www.gravatar.com/avatar/80dc29ebd5bfc1d3666837c0c3e9cabb?d=wavatar",
"has_key": false
}GET /api/users/114/?format=api
{
"username": "mixone",
"gravatar": "//www.gravatar.com/avatar/80dc29ebd5bfc1d3666837c0c3e9cabb?d=wavatar",
"has_key": false
}