chore(deps):Update dependencies & readme (#44)

Author: igniteram

README.md

@@ -46,7 +46,7 @@ https://nodejs.org/en/download/
 * Clone the repository into a folder
 * Go inside the folder and run following command from terminal/command prompt
 ```
-   npm install 
+npm install 
 ```
 * All the dependencies from package.json and ambient typings would be installed in node_modules folder.
 

package-lock.json

@@ -29,8 +29,8 @@
   },
   "author": "Ram Pasala <[email protected]>",
   "devDependencies": {
-    "@types/cucumber": "^4.0.1",
-    "@types/node": "^9.6.2",
+    "@types/cucumber": "^4.0.4",
+    "@types/node": "^9.6.12",
     "@types/selenium-webdriver": "^3.0.8",
     "chai": "^4.1.2",
     "chai-as-promised": "^7.1.1",