Release notes 0.5.0 (#70)

Author: sandorkertesz

docs/release_notes/index.rst

@@ -4,6 +4,7 @@ Release notes
 .. toctree::
     :maxdepth: 1
 
+    version_0.5_updates
     version_0.4_updates
     version_0.3_updates
     version_0.2_updates

docs/release_notes/version_0.5_updates.rst

@@ -0,0 +1,17 @@
+
+Version 0.5 Updates
+/////////////////////////
+
+
+Version 0.5.0
+===============
+
+New features
+-----------------------
+
+- Introduces the ``from_zero`` parameter to :py:meth:`earthkit.meteo.extreme.array.cpf`, default to False (previous behaviour corresponds to True), ignoring the lower half of the distribution. Also adds an extra check for "reverse crossings", i.e. when the forecast CDF starts above the climate distribution. (:pr:`67`)
+
+
+Changes
+-----------------------
+- Uses :py:meth:`acos` instead of :py:meth:`arccos` internally for array-based computation (:pr:`56`)