update CHANGELOG.md

Author: dylanljones

CHANGELOG.md

@@ -9,6 +9,8 @@
 - **db:** **allow commiting if playlist is not found in XML ([#149](https://github.com/dylanljones/pyrekordbox/issues/149))**  
   This fixes an issue where the changes to the DB can not be commited if the playlist is missing 
   in the playlist-xml. A warning is now shown instead.
+- **db:** **add timezone support and fix date format issue ([#161](https://github.com/dylanljones/pyrekordbox/issues/161))**  
+  Date formats in the DB are now converted to the local timezone. It is now also possible to read date fields with other formats.
 - **config:** **move pyrekordbox cache file to appdir**  
   The cache file is now stored in the appdata directory of the user. 
   This avoids writing to the pyrekordbox package directory.