Add way to download whole set

.gitignore

@@ -1,2 +1,3 @@
+data/
 node_modules/
 access.log

scripts/data.js

@@ -2,6 +2,7 @@ module.exports = function(set, app, data, scriptMethods) {
   var keys = Object.keys(set.generators);
   var cache = {};
   var defaultKey = null;
+  var setJson = JSON.stringify(set.export());
 
   for(var i = 0; i < keys.length; ++i) {
     var bindObj = {key: keys[i]}
@@ -27,6 +28,11 @@ module.exports = function(set, app, data, scriptMethods) {
     }
   }
 
+  app.get('/d/set', function(req, res) {
+    res.header("Content-Type", "application/json; charset=utf-8");
+    res.end(setJson);
+  });
+
   scriptMethods.getDefaultDataKey = function() {
     return defaultKey;
   }