improve handling of unrecoverable errors caught in doRestartChild#88

hyperthunk merged 4 commits intohaskell-distributed:developmenthaskell-distributed/distributed-process-platform:developmentfrom

BirdseyeSoftware:feature-better-error-handling-in-doRestartChildBirdseyeSoftware/distributed-process-platform:feature-better-error-handling-in-doRestartChildCopy head branch name to clipboard