Add comprehensive tests for role middleware and fix package dependencies

node_modules/browser-stdout/README.md

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+### wat?
+
+`process.stdout` in your browser.
+
+### wai?
+
+iono. cuz hakz.
+
+### hau?
+
+```js
+var BrowserStdout = require('browser-stdout')
+
+myStream.pipe(BrowserStdout())
+```
+
+### monkey
+
+You can monkey-patch `process.stdout` for your dependency graph like this:
+
+```
+process.stdout = require('browser-stdout')()
+var coolTool = require('module-that-uses-stdout-somewhere-in-its-depths')
+```
+
+### opts
+
+opts are passed directly to `stream.Writable`.
+additionally, a label arg can be used to label console output.
+
+```js
+BrowserStdout({
+  objectMode: true,
+  label: 'dataz',
+})
+```
+
+### ur doin it rong
+
+i accept pr's.