Updated release notes

Author: SimplyLiz

ReleaseNotes.txt

@@ -1,10 +1,21 @@
 Isometric Engine 
 
-v0.1
+v0.0.2
+- Improved User Interface Library
+- Performance Improvements
+- Audio playback and a custom theme song made by sqwdmusic
+- Tilemap support
+- Bugfixes for Terrain editing
+- Custom Textures made by Kingtut 101
+- Roads and water
+- Performance Improvements
+- Lots of improvements to code design
+
+v0.0.1
 - Basic Render Engine
 - Read inputs from SDL Keys
 - Read configuration from resources/settings.json
 - Read tile list mapping from resources/tilelist.json
 - support multiple height levels of tiles
 - different zoomLevels
-- convert screen coordinates to iso coordinates (with pixel collision detection)
+- convert screen coordinates to iso coordinates (with pixel collision detection)