Merge pull request zio#302 from regiskuckaertz/rk-semaphore

Semaphores revisited

Merge pull request zio#304 from RaasAhsan/daemon-scheduled-executor-t…

…hreads

Set scheduled executor threads to be daemon

Unbreak build - duplicate file names when merging 'shared' and 'platf…

…orm' files

Platforming

Merge pull request zio#275 from 7mind/feature/scala-sbt-upd

scala 2.12.7 and sbt 1.2.3

Merge pull request zio#270 from regiskuckaertz/rk-bracket0-interruptible

Make `use` interruptible in `IO.bracket0`

Use system package instead of manual time "construction"

Merge pull request zio#233 from didierd/FixCatchSomeTypeInferenceProblem

Fix inference problem for catchSome

Multiple keys need to be in an archive

Deploy key without passphrase