bump for release [ci skip]

Author: ctalkington

README.md

@@ -1,4 +1,4 @@
-# Compress Commons v0.4.1 [![Build Status](https://travis-ci.org/archiverjs/node-compress-commons.svg?branch=master)](https://travis-ci.org/archiverjs/node-compress-commons) [![Build status](https://ci.appveyor.com/api/projects/status/fx3066dufdpar0it/branch/master?svg=true)](https://ci.appveyor.com/project/ctalkington/node-compress-commons/branch/master)
+# Compress Commons v0.4.2 [![Build Status](https://travis-ci.org/archiverjs/node-compress-commons.svg?branch=master)](https://travis-ci.org/archiverjs/node-compress-commons) [![Build status](https://ci.appveyor.com/api/projects/status/fx3066dufdpar0it/branch/master?svg=true)](https://ci.appveyor.com/project/ctalkington/node-compress-commons/branch/master)
 
 Compress Commons is a library that defines a common interface for working with archive formats within node.
 

package.json

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 {
   "name": "compress-commons",
-  "version": "0.4.1",
+  "version": "0.4.2",
   "description": "a library that defines a common interface for working with archive formats within node",
   "homepage": "https://github.com/archiverjs/node-compress-commons",
   "author": {