Initial release of PID Controller

index.js

@@ -3,6 +3,7 @@ var autonomy = exports;
 exports.StateEstimator = require('./lib/StateEstimator');
 exports.EKF = require('./lib/EKF');
 exports.Camera = require('./lib/Camera');
+exports.Controller = require('./lib/Controller');
 
 exports.estimateState = function(client, options) {
     var estimator = new autonomy.StateEstimator(client, options);