Release (v0.8.0)

Author: znicholls

CHANGELOG.rst

@@ -4,6 +4,9 @@ Changelog
 master
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+v0.8.0
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 - (`#139 <https://github.com/openscm/scmdata/pull/139>`_) Update filter to handle metadata columns which contain a mix of data types
 - (`#139 <https://github.com/openscm/scmdata/pull/139>`_) Add :meth:`ScmRun.plumeplot`
 - (`#140 <https://github.com/openscm/scmdata/pull/140>`_) Add workaround for installing scmdata with Python 3.6 on windows to handle lack of cftime 1.3.1 wheel