chore: add coverage badges and improve changelog

Author: satazor

CHANGELOG.md

@@ -19,7 +19,7 @@ All notable changes to this project will be documented in this file. See [standa
 ### Bug Fixes
 
 * fix certain arguments not being correctly escaped or causing batch syntax error ([900cf10](https://github.com/moxystudio/node-cross-spawn/commit/900cf10)), closes [#82](https://github.com/moxystudio/node-cross-spawn/issues/82) [#51](https://github.com/moxystudio/node-cross-spawn/issues/51)
-* fix commands as posix unix relatixe paths not working correctly ([900cf10](https://github.com/moxystudio/node-cross-spawn/commit/900cf10))
+* fix commands as posix relatixe paths not working correctly, e.g.: `./my-command` ([900cf10](https://github.com/moxystudio/node-cross-spawn/commit/900cf10))
 * fix `options` argument being mutated ([900cf10](https://github.com/moxystudio/node-cross-spawn/commit/900cf10))
 * fix commands resolution when PATH was actually Path ([900cf10](https://github.com/moxystudio/node-cross-spawn/commit/900cf10))
 
@@ -38,7 +38,7 @@ All notable changes to this project will be documented in this file. See [standa
 
 ### BREAKING CHANGES
 
-* remove support for older nodejs versions, only node >= 4 is supported
+* remove support for older nodejs versions, only `node >= 4` is supported
 
 
 <a name="5.1.0"></a>

README.md

@@ -1,6 +1,6 @@
 # cross-spawn
 
-[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Build Status][travis-image]][travis-url] [![Build status][appveyor-image]][appveyor-url] [![Dependency status][david-dm-image]][david-dm-url] [![Dev Dependency status][david-dm-dev-image]][david-dm-dev-url] [![Greenkeeper badge][greenkeeper-image]][greenkeeper-url]
+[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Build Status][travis-image]][travis-url] [![Build status][appveyor-image]][appveyor-url] [![Coverage Status][codecov-image]][codecov-url] [![Dependency status][david-dm-image]][david-dm-url] [![Dev Dependency status][david-dm-dev-image]][david-dm-dev-url] [![Greenkeeper badge][greenkeeper-image]][greenkeeper-url]
 
 [npm-url]:https://npmjs.org/package/cross-spawn
 [downloads-image]:http://img.shields.io/npm/dm/cross-spawn.svg
@@ -9,6 +9,8 @@
 [travis-image]:http://img.shields.io/travis/moxystudio/node-cross-spawn/master.svg
 [appveyor-url]:https://ci.appveyor.com/project/satazor/node-cross-spawn
 [appveyor-image]:https://img.shields.io/appveyor/ci/satazor/node-cross-spawn/master.svg
+[codecov-url]:https://codecov.io/gh/moxystudio/node-cross-spawn
+[codecov-image]:https://img.shields.io/codecov/c/github/moxystudio/node-cross-spawn/master.svg
 [david-dm-url]:https://david-dm.org/moxystudio/node-cross-spawn
 [david-dm-image]:https://img.shields.io/david/moxystudio/node-cross-spawn.svg
 [david-dm-dev-url]:https://david-dm.org/moxystudio/node-cross-spawn?type=dev
@@ -45,13 +47,13 @@ Exactly the same way as node's [`spawn`](https://nodejs.org/api/child_process.ht
 
 
 ```js
-var spawn = require('cross-spawn');
+const spawn = require('cross-spawn');
 
 // Spawn NPM asynchronously
-var child = spawn('npm', ['list', '-g', '-depth', '0'], { stdio: 'inherit' });
+const child = spawn('npm', ['list', '-g', '-depth', '0'], { stdio: 'inherit' });
 
 // Spawn NPM synchronously
-var results = spawn.sync('npm', ['list', '-g', '-depth', '0'], { stdio: 'inherit' });
+const result = spawn.sync('npm', ['list', '-g', '-depth', '0'], { stdio: 'inherit' });
 ```