Merge branch 'master' into black

HISTORY.rst

@@ -13,15 +13,24 @@ History
 
 0.10-beta (2019-06-06)
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-* Indicators are now split into packages named by *realms*. ``import xclim.atmos`` is now the method for loading indicators related to atmospheric variables.
 * Removed support for Python 2 compatibility.
 * Added support for *period of the year* subsetting in ``checks.missing_any``.
 * Now allow for passing positive longitude values when subsetting data with negative longitudes.
 * Improved runlength calculations for small grid size arrays via ``ufunc_1dim`` flag.
 
 0.9-beta (2019-05-13)
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-TODO
+This is a significant jump in the release. Many modifications have been made and will be added to the documentation in the coming days. Among the many changes:
+
+* New indices have been added with documentation and call examples
+* Run_length based operations have been optimized
+* Support for CF non-standard calendars
+* Automated/improved unit conversion and management via pint library  
+* Added ensemble utilities for creation and analysis of muti-model climate ensembles
+* Added subsetting utilities for spatio-temporal subsets of xarray data objects
+* Added streamflow indicators
+* Refactoring of the code : separation of indices.py into a directory with sub-files (simple, threshold and multivariate); ensembles and subset utilities separated into distinct modules (pulled from utils.py)
+* Indicators are now split into packages named by realms. import xclim.atmos to load indicators related to atmospheric variables.  
 
 0.8-beta (2019-02-11)
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