Update CHANGELOG for v1.1.0.3

***NO_CI***

Author: nfbot

CHANGELOG.md

@@ -1,18 +1,23 @@
 # Change Log
 
-## [v1.1.0](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.1.0) (2018-12-14)
-[Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.1.0...v1.1.0)
+## [**Changes available only in 'Preview' NuGet packages:**](https://github.com/nanoframework/lib-CoreLibrary/tree/HEAD)
+
+[Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.1.0...HEAD)
+
+**Fixed bugs:**
+
+- Major fix on HashTable [\#64](https://github.com/nanoframework/lib-CoreLibrary/pull/64)
 
 **Documentation and other chores:**
 
 - Merge back from Release v1.1.0 [\#63](https://github.com/nanoframework/lib-CoreLibrary/pull/63)
-- Release 1.1.0 [\#62](https://github.com/nanoframework/lib-CoreLibrary/pull/62)
 
 ## [v1.1.0](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.1.0) (2018-12-14)
 [Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.0.6-preview-021...v1.1.0)
 
 **Documentation and other chores:**
 
+- Release 1.1.0 [\#62](https://github.com/nanoframework/lib-CoreLibrary/pull/62)
 - Release v1.1.0 [\#60](https://github.com/nanoframework/lib-CoreLibrary/pull/60)
 
 ## [v1.0.6-preview-021](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.0.6-preview-021) (2018-11-30)