Update Ref and Ptr comparison operators to allow Ref<T> == Ref<const T> etc. and avoid reference counting overhead when comparing Ptr<T> to Ref<T>
Merge branch 'master' of github.com:otherlab/core
Merge branch 'windows'
utility/config.h: Add OTHER_WARN_UNUSED_RESULT
Add a print_and_clear_exception function and use it in Value and Listen
value/Listen: Simplify listen overloads
windows build fixes