Make sure it's cross-platform

[agentofuser]

• Tracking issue.
• Windows, macOS, Linux, and BSD should work as seamlessly as possible.
• Cf.: https://github.com/ehmicky/cross-platform-node-guide/blob/master/docs/summary.md

[agentofuser]

Oh yeah, there is also the browser. At some point it would be cool for everything to work straight from the browser.

[hacdias]

I'm closing this issue as there hasn't been any reports of incompatibility across different OSes. If there are any bugs, hopefully we will get them reported!