code: function(oauth, callback) {
  		orionAccount.find({oauth: new RegExp("^" + oauth + "$", "m")}, function(err, user) {
  			if (err) {
  				return callback(err);
  			}
  			if (user && user.length) {
  				return callback(null, user[0]);
  			}
  			return callback(null, null);
  		});
  	}
docs: returns the user with the given oauth token