Update to use latest versions of dependencies

Author: medikoo

package.json

@@ -21,13 +21,13 @@
   "dependencies": {
     "d": "~0.1.1",
     "es5-ext": "~0.10.2",
-    "es6-iterator": "git://github.com/medikoo/es6-iterator.git",
-    "es6-set": "git://github.com/medikoo/es6-set.git",
-    "es6-symbol": "git://github.com/medikoo/es6-symbol.git",
+    "es6-iterator": "~0.1.1",
+    "es6-set": "0.1.x",
+    "es6-symbol": "0.1.x",
     "event-emitter": "~0.3.1"
   },
   "devDependencies": {
-    "tad": "~0.1.21"
+    "tad": "0.2.x"
   },
   "scripts": {
     "test": "node ./node_modules/tad/bin/tad"