v0.5.2

Many bugfixes thanks to reports by @aulemahal

What's Changed

• Add upstream-dev test by @dcherian in #93
• Add hourly climatology story by @dcherian in #97
• Fix mixing of blockwise and map-reduce strategies. by @dcherian in #103
• Fix reductions on boolean reductions. by @dcherian in #104
• Use isnull instead of isnan: engine="flox" by @dcherian in #105

Full Changelog: v0.5.1...v0.5.2