Update CHANGELOG for v1.0.2

***NO_CI***

Author: nfbot

CHANGELOG.md

@@ -1,10 +1,11 @@
 # Change Log
 
-## [v1.0.2-preview-053](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/tree/v1.0.2-preview-053) (2018-12-03)
-[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/compare/v1.0.2-preview-049...v1.0.2-preview-053)
+## [v1.0.2-preview-056](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/tree/v1.0.2-preview-056) (2018-12-14)
+[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/compare/v1.0.2-preview-049...v1.0.2-preview-056)
 
 **Documentation and other chores:**
 
+- Bumps nanoFramework.CoreLibrary from 1.0.6-preview-021 to 1.1.0 [\#27](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/pull/27)
 - Bumps nanoFramework.CoreLibrary from 1.0.6-preview-010 to 1.0.6-preview-021 [\#26](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/pull/26)
 
 ## [v1.0.2-preview-049](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/tree/v1.0.2-preview-049) (2018-11-27)