Remove setup-pgp

As mentioned in sbt/sbt-ci-release#194. Let's see.

Merge pull request #4 from Exidnus/fix-wrong-stdin-queue-order

Fix wrong stdin queue order

Merge pull request #4 from Exidnus/fix-wrong-stdin-queue-order

Fix wrong stdin queue order

Merge pull request #4 from Exidnus/fix-wrong-stdin-queue-order

Fix wrong stdin queue order

add version scheme

Add a Process#statusCode method to get the result of a command

The returned F will be completed when the process exit, be careful with
long lives process.

Add a Process#statusCode method to get the result of a command

The returned F will be completed when the process exit, be careful with
long lives process.

Remove println used for debug

Done through github online editor, so hopefully scalafmt won't complain :)

First release