Add undocumented suppressRefError prop

[jf248]

Fixes #529

[kentcdodds]

Thanks! Could you please add a test for this functionality? I'd hate to break it :)

[jf248]

Test added :)
Btw I was getting a bunch of failing tests on the master branch all with this error:
SecurityError: localStorage is not available for opaque origins at Window.get localStorage...

I think it's because of an update to jest. Adding the below to a jest.config.js file passed all the tests again. Didn't add to PR because I thought you might want to make the change at the kcd-scripts level?

const {jest: jestConfig} = require('kcd-scripts/config')

module.exports = Object.assign(jestConfig, {
  testURL: "http://localhost/",
})

[kentcdodds]

Cool, thanks! I think @alexandernanberg fixed the kcd-scripts issue.