Add release notes for v0.3.0a3

Mr0grog · Mr0grog · commit 7e9bccc8113e · 2020-11-05T17:41:02.000-08:00
diff --git a/docs/source/release-history.rst b/docs/source/release-history.rst
@@ -2,6 +2,12 @@
 Release History
 ===============
 
+v0.3.0 Alpha 3 (2020-11-05)
+---------------------------
+
+Fixes a bug in the new :class:`wayback.Memento` type where header parsing would fail for mementos with schemeless ``Location`` headers. (`#61 <https://github.com/edgi-govdata-archiving/wayback/pull/61>`_)
+
+
 v0.3.0 Alpha 2 (2020-11-04)
 ---------------------------
 
