User Instance
GET /api/users/294/?format=api
{
"username": "Zoroxat",
"gravatar": "//www.gravatar.com/avatar/dc82089df9c1fa49ba5814971b82cd7c?d=wavatar",
"has_key": false
}GET /api/users/294/?format=api
{
"username": "Zoroxat",
"gravatar": "//www.gravatar.com/avatar/dc82089df9c1fa49ba5814971b82cd7c?d=wavatar",
"has_key": false
}