Merge pull request #233 from input-output-hk/coot/io-sim-exception-handling
io-sim: exception handling in traceResult
io-sim: exception handling in traceResult
This makes `threadDelay` and `MonadTimer` from `si-timers` sublibrary behave the same way for `IOSim` and `IO`.
This makes `threadDelay` and `MonadTimer` from `si-timers` sublibrary behave the same way for `IOSim` and `IO`.