Security vulnerability in kind-of - CVE-2019-20149

[dmnisson]

You are using an outdated version of kind-of, ^5.0.2.
Please update your kind-of to 6.0.3 or later.
Versions of kind-of prior to 6.0.3 are vulnerable to a type validation bypass. See https://npmjs.com/advisories/1490.

[striezel]

@dmnisson I've created a PR to update kind-of: #2