Merge pull request #14 from Borewit/ES2017

Update JavaScript to ES2017/ES8

.npmignore

@@ -1,3 +1,7 @@
 test/
 coverage/
-src/
+src/
+tslint.json
+tsconfig.json
+*.iml
+.travis.yml

README.md

@@ -1,6 +1,6 @@
 [![Build Status](https://travis-ci.org/Borewit/then-read-stream.svg?branch=master)](https://travis-ci.org/Borewit/then-read-stream)
 [![NPM version](https://badge.fury.io/js/then-read-stream.svg)](https://npmjs.org/package/then-read-stream)
-[![npm downloads](http://img.shields.io/npm/dm/then-read-stream.svg)](https://npmjs.org/package/then-read-stream)
+[![npm downloads](http://img.shields.io/npm/dm/then-read-stream.svg)](https://npmcharts.com/compare/then-read-stream?start=600&interval=30)
 [![Dependencies](https://david-dm.org/Borewit/then-read-stream.svg)](https://david-dm.org/Borewit/then-read-stream)
 [![Coverage Status](https://coveralls.io/repos/github/Borewit/then-read-stream/badge.svg?branch=master)](https://coveralls.io/github/Borewit/then-read-stream?branch=master)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/8a89b90858734a6da07570eaf2e89849)](https://www.codacy.com/app/Borewit/then-read-stream?utm_source=github.com&utm_medium=referral&utm_content=Borewit/then-read-stream&utm_campaign=Badge_Grade)
@@ -19,7 +19,7 @@ The `then-read-stream` contains one class: `StreamReader`, which reads from a [s
 
 ### Compatibility
 
-NPM module is compliant with [ECMAScript 2015 (ES6)](https://www.ecma-international.org/ecma-262/6.0/).
+NPM module is compliant with [ECMAScript 2017 (ES8)](https://en.wikipedia.org/wiki/ECMAScript#8th_Edition_-_ECMAScript_2017).
 
 #### Examples
 

tsconfig.json

@@ -3,7 +3,7 @@
     "inlineSources": false,
     "module": "commonjs",
     "moduleResolution": "node",
-    "target": "es6"
+    "target": "ES2017"
   }
 }