Updated all dependency versions

package.json

@@ -15,14 +15,14 @@
   },
   "devDependencies": {
     "bower": ">=1.3.0",
-    "browserify": "6.x",
+    "browserify": ">=6.0",
     "del": ">=0.1.1",
-    "gulp": "3.8.x",
-    "gulp-browserify-thin": "^0.1.5",
-    "gulp-jshint": "^1.9.0",
-    "gulp-rename": "^1.2.0",
-    "gulp-uglify": "^1.0.1",
-    "jshint": "2.5.x"
+    "gulp": ">=3.8.0",
+    "gulp-browserify-thin": ">=0.1.0",
+    "gulp-jshint": ">=1.5.0",
+    "gulp-rename": ">=1.2.0",
+    "gulp-uglify": ">=1.0.0",
+    "jshint": ">=2.5.0"
   },
   "scripts": {
     "build": "gulp",