fix: reorder cleanupAtContainer code (testing-library#327)

Closes testing-library#326

fix: move testHook to its own pacakge (testing-library#307)

This removes testHook in favor of http://npm.im/react-hook-testing-library

Closes testing-library#302

BREAKING CHANGE: move testHook to another library. Use http://npm.im/react-hook-testing-library instead

feat(render): add wrapper component option (testing-library#303)

* feat(render): add wrapper component option

* feat(render): update types

* fix(types): remove unreferenced type

* fix(render): optional type for wrapper option

feat: testHook returns result ref object (testing-library#297)

feat: wrapper for testHook (testing-library#296)

* feat: wrapper for testHook

* Ignore eslint rule

fix(TS): typing of testHook (testing-library#292)

* Adds typing for testHook return

* Adds typings section to contributing.md

feat(testHook): modify testHook to return unmount function (testing-l…

…ibrary#290)

* Returns unmount function on testHook

* Adds test for unmount function; Adds example of useEffect

* Add Andrewmat as contributor

* Adds rerender on testHook return

fix: act polyfill for React 15.x (testing-library#288)

Fixes testing-library#287

fix(act): add a polyfill

Thanks @threepointone!

fix(build): upgrade all deps

Closes testing-library#279