Javier Lecuona

History of this PR: I was looking to write an `io.Reader` (a file incoming through http multipart) into a file while extracting the MD5 checksum (using `crypto/md5`)and detect the `MIME`...

The following snippet reproduce the error ```js const carlo = require('carlo'); (async () => { // Launch the browser. const app = await carlo.launch({ // removing the following args solves...

Caveats should be posted in the main page to warn users about how to use this tool properly. Along side with the caveats, there should be examples on common errors...