User Instance
GET /api/users/112/?format=api
{
"username": "Mantrax",
"gravatar": "//www.gravatar.com/avatar/413eb5112b4a877e66955ca543628bfd?d=wavatar",
"has_key": false
}GET /api/users/112/?format=api
{
"username": "Mantrax",
"gravatar": "//www.gravatar.com/avatar/413eb5112b4a877e66955ca543628bfd?d=wavatar",
"has_key": false
}