Added changes in version 2.2

ChangeLog.md

@@ -1,19 +1,23 @@
 # CHANGELOG
 
+## 2.2 - 2020-05-20
+
+### Changed
+
+- Fix for [bug #48](https://github.com/sffjunkie/astral/issues/48). As per the bug report the angle to adjust for the effect of elevation should have been θ (not α).
+- The sun functions can now also be passed the timezone as a string. Previously only a pytz timezone was accepted.
+
 ## 2.1 - 2020-02-12
 
 ### Bug Fix
 
-- Fix for bug #44 - Incorrectly raised exception when UTC sun times were on the day
-  previous to the day asked for. This only manifested itself for timezones with
-  a large positive offset.
+- Fix for bug #44 - Incorrectly raised exception when UTC sun times were on the day previous to the day asked for. This only manifested itself for timezones with a large positive offset.
 
 ## 2.0 - 2020-02-11
 
 ### Refactor
 
-- This is a code refactor as well as an update so it is highly likely that you will
-  need to adapt your code to suit.
+- This is a code refactor as well as an update so it is highly likely that you will need to adapt your code to suit.
 - Astral, AstralGeocoder & GoogleGeocoder classes removed
 - Requires python 3.6+ due to the use of dataclasses
 - New LocationInfo class to store a location name, region, timezone, latitude & longitude