Update changelog

CHANGELOG

@@ -1,57 +1,73 @@
-2.0.0
-=====
+# Change log
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+# 2.0.0
+### Features
 
   * Updated styling to match Umbraco v7.6
   * Added Udi support
 
-1.3.2
-=====
+### Breaking
+
+ * Upgraded Umbraco to v7.6
+
+# 1.3.2
+### Bugfixes
 
   * #48 - Editing a media item breaks the link
   * #51 - Picked nodes are not resolved when deleted
 
-1.3.1
-=====
+# 1.3.1
+### Bugfixes
 
   * Fixed bug introduced when cleaning code
 
-1.3.0
-=====
+# 1.3.0
+### Features
 
   * #22 - Usage in macro parameter
+
+### Bugfixes
+
   * #28 - Not working in combination with Doc Type Grid Editor Package
 
-1.2.0
-=====
+# 1.2.0
+### Features
 
   * #14 - Use url as name when Page Title is left empty
 
-1.1.0
-=====
+# 1.1.0
+### Features
 
   * #8 - Hide handle when only one item.
+
+### Bugfixes
+
   * #11 - Validation problem with min/max and external links.
   * #13 - Gracefully handle when the recycling bin is chosen
 
-1.0.0
-=====
+# 1.0.0
+### Features
+
+  * Added min/max items field
+  * Added document icons to the editor
+
+### Breaking
 
-  * upgraded to Umbraco 7.1.2
-  * removed Pick multiple items field
-  * added min/max items field
-  * added document icons to the editor
+  * Upgraded to Umbraco v7.1.2
+  * Removed Pick multiple items field
 
-0.2.0
-=====
+# 0.2.0
+### Features
 
-  * added property value converter
+  * Added property value converter
 
-0.1.1
-=====
+# 0.1.1
+### Bugfixes
 
-  * data is now stored in the ntext column
+  * Data is now stored in the ntext column
 
-0.1.0
-=====
+# 0.1.0
 
-  * initial release
+  * Initial release