extend 3.0.1 prototype pollution

[joao16ribeiro]

I've found that extend 3.0.1 has a security problem. Any prognostics on when you can change it? Thanks

More info here: https://www.npmjs.com/advisories/996

[MadLittleMods]

@joao16ribeiro You can submit a pull request with the latest, https://www.npmjs.com/package/extend