diff --git a/assets/bin/osx/iguana b/assets/bin/osx/iguana
index 2c02b98..7bc30be 100755
Binary files a/assets/bin/osx/iguana and b/assets/bin/osx/iguana differ
diff --git a/main.js b/main.js
index 69c3607..a5dd313 100644
--- a/main.js
+++ b/main.js
@@ -59,8 +59,8 @@ process.once('loaded', () => {
 	}
 });
 
-guiapp.use(bodyParser.json()); // support json encoded bodies
-guiapp.use(bodyParser.urlencoded({ extended: true })); // support encoded bodies
+guiapp.use(bodyParser.json({limit: '50mb'})); // support json encoded bodies
+guiapp.use(bodyParser.urlencoded({limit: '50mb', extended: true})); // support encoded bodies
 
 guiapp.get('/', function (req, res) {
 	res.send('Iguana app server');
diff --git a/routes/shepherd.js b/routes/shepherd.js
index 3b3dd84..b2ea5a1 100644
--- a/routes/shepherd.js
+++ b/routes/shepherd.js
@@ -158,8 +158,8 @@ shepherd.get('/groom', function(req, res, next) {
 	var _filename = req.query.filename;
 
 	if (_filename) {
-	  if (fs.existsSync(iguanaDir + '/shepherd/data-' + _filename + '.json')) {
-			fs.readFile(iguanaDir + '/shepherd/data-' + _filename + '.json', 'utf8', function (err, data) {
+	  if (fs.existsSync(iguanaDir + '/shepherd/cache-' + _filename + '.json')) {
+			fs.readFile(iguanaDir + '/shepherd/cache-' + _filename + '.json', 'utf8', function (err, data) {
 			  if (err) {
 			    var errorObj = {
 			      'msg': 'error',
@@ -210,7 +210,7 @@ shepherd.post('/groom', function(req, res) {
 
 	    res.end(JSON.stringify(errorObj));
 		} else {
-			fs.writeFile(iguanaDir + '/shepherd/data-' + _filename + '.json', _payload, function (err) {
+			fs.writeFile(iguanaDir + '/shepherd/cache-' + _filename + '.json', _payload, function (err) {
 			  if (err) {
 			    var errorObj = {
 			      'msg': 'error',