Uncurried versions of 'bracket' and 'bracketExit' (zio#617)

* Uncurried versions of 'bracket' and 'bracketExit'

* Fixed doc and added specs

wait for the fiber to update the ref in FiberSpec (zio#652)

* fixed test case

Add TestSystem to testkit (zio#632)

Merge pull request zio#627 from regiskuckaertz/rk-while-interrupt

Keep interrupting until it's done

Improvements to microsite documentation (zio#633)

* Improve docs and remove the liftIO leftovers

* address feedback

* Exclude mdoc from unused dependency checker

* Exclude scalameta mdoc

* Fix typo

* Try random stuff

* Disable 2.13 in Travis

Merge pull request zio#593 from gvolpe/feature/trifunctor-cats-instances

Cats instances taking the environmental parameter

Merge pull request zio#597 from jdegoes/master

Fix semantics of `provide` and improve type inference

Fix typo on Overview microsite page

Merge pull request zio#582 from wi101/master

ZIO with contextual effects

Merge pull request zio#582 from wi101/master

ZIO with contextual effects