Update dev dependency versions. Lock down query-string version

Author: atecarlos

package.json

@@ -1,6 +1,6 @@
 {
   "name": "protractor-http-mock",
-  "version": "0.9.1",
+  "version": "0.9.2",
   "description": "Mock HTTP calls in your protractor specs.",
   "main": "index.js",
   "scripts": {
@@ -15,9 +15,9 @@
     "grunt-browserify": "^5.0.0",
     "grunt-contrib-connect": "^1.0.2",
     "grunt-contrib-jasmine": "^1.0.3",
-    "grunt-contrib-jshint": "~1.0.0",
+    "grunt-contrib-jshint": "~1.1.0",
     "grunt-jasmine-nodejs": "^1.5.2",
-    "grunt-protractor-runner": "^3.1.0",
+    "grunt-protractor-runner": "^4.0.0",
     "phantomjs-prebuilt": "^2.1.3",
     "protractor-http-mock-sample-plugin": "0.0.1"
   },
@@ -26,7 +26,7 @@
     "url": "https://github.com/atecarlos/protractor-http-mock"
   },
   "dependencies": {
-    "query-string": "^4.1.0"
+    "query-string": "<=4.2.3"
   },
   "engines": {
     "node": ">=4.0.0"