Release 0.9.2 fixes nonstd-lite#64

Note: With MSVC Debug, a span cannot be created from an empty range,
like: std::vector v; span(v.begin(),v.end()).

This behaviour is present since the introduction of construction from iterators in v0.9.0.

Release 0.9.1, closes nonstd-lite#64

Release 0.9.0

Release 0.8.1

Release 0.8.0

Release 0.7.0

Include `stdexcept` if exceptions enabled (nonstd-lite#42)

Release 0.5.0

Release 0.4.0

Release under Boost Software License (BSL)