remove support for node v6/7

Author: ctalkington

CHANGELOG.md

@@ -1,5 +1,10 @@
 ## Changelog
 
+**3.0.0** - <small>_April 14, 2020_</small> — [Diff](https://github.com/archiverjs/node-compress-commons/compare/2.1.1...3.0.0)
+
+- breaking: slowly catch up with node LTS, remove support for versions under 8.
+- update multiple deps.
+
 **2.1.1** — <small>_August 2, 2019_</small> — [Diff](https://github.com/archiverjs/node-compress-commons/compare/2.1.0...2.1.1)
 
 - update crc32-stream to v3.0.1

README.md

@@ -1,4 +1,4 @@
-# Compress Commons [![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
 
 Compress Commons is a library that defines a common interface for working with archive formats within node.
 

package.json

@@ -20,7 +20,7 @@
     "lib"
   ],
   "engines": {
-    "node": ">= 6"
+    "node": ">= 8"
   },
   "scripts": {
     "test": "mocha --reporter dot"