middleware-list command is now --default-stack

bin/cli.js

@@ -1,8 +1,15 @@
 #!/usr/bin/env node
 const nodeVersionMatches = require('node-version-matches')
 
-if (nodeVersionMatches('>=8.0.0')) {
-  require('../lib/cli-app').run()
+if (nodeVersionMatches('>=8')) {
+  const WsCli = require('../lib/cli-app')
+  const cli = new WsCli()
+  try {
+    cli.start()
+  } catch (err) {
+    console.error(require('util').inspect(err, { depth: 6, colors: true }))
+    process.exitCode = 1
+  }
 } else {
   console.log('Sorry, this app requires node v8.0.0 or above. Please upgrade https://nodejs.org/en/')
 }