fix: updating istanbul and readme

README.md

@@ -3,7 +3,7 @@
 [![version](https://img.shields.io/npm/v/machine-translator.svg)](https://www.npmjs.com/package/machine-translator)
 [![license](https://img.shields.io/npm/l/machine-translator.svg)](https://www.npmjs.com/package/machine-translator)
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
-
+[![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/)
 # machine-translator
 is a nodejs module that uses statistical machine translation to translate between two different languages. the module is loosely based off of the IBM model 1 algorithm and has been tested using english.
 

package.json

@@ -36,7 +36,7 @@
     "cz-conventional-changelog": "1.1.4",
     "mocha": "2.3.3",
     "codecov.io": "0.1.6",
-    "istanbul": "0.3.22",
+    "istanbul": "0.4.0",
     "ghooks": "0.3.2",
     "semantic-release": "4.3.5"
   },