[CHANGES]
- Updated for Metrics::Any 0.05
- Report an info-type gauge metric to track loop types
- Loop processing time should be a timer metric, not a distribution
- Don't bother reporting zero-byte stream read/write metrics
[BUGFIXES]
- Skip metrics-related unit tests if metrics aren't active, even
though we depend on Test::Metrics::Any
- Account for MSWin32's EWOULDBLOCK in t/70future-io.t