Update CHANGELOG for v1.2.6

***NO_CI***

Author: nfbot

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Change Log
 
+## [v1.2.6-preview.14](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.2.6-preview.14) (2019-07-17)
+[Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.2.6-preview.12...v1.2.6-preview.14)
+
 ## [v1.2.6-preview.12](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.2.6-preview.12) (2019-07-15)
 [Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.2.6-preview.10...v1.2.6-preview.12)
 
@@ -131,9 +134,14 @@
 ## [v1.0.6-preview-015](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.0.6-preview-015) (2018-11-29)
 [Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.0.6-preview-001...v1.0.6-preview-015)
 
+**Implemented enhancements:**
+
+- Add new TimeSpan.From methods [\#57](https://github.com/nanoframework/lib-CoreLibrary/pull/57)
+
 **Fixed bugs:**
 
 - Fix ToString\(\) output  [\#56](https://github.com/nanoframework/lib-CoreLibrary/pull/56)
+- Fix infinite loop in Append\(object value\) [\#10](https://github.com/nanoframework/lib-CoreLibrary/pull/10)
 
 ## [v1.0.6-preview-001](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.0.6-preview-001) (2018-11-07)
 [Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.0.5-preview028...v1.0.6-preview-001)
@@ -145,12 +153,16 @@
 ## [v1.0.5-preview028](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.0.5-preview028) (2018-10-26)
 [Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.0.3...v1.0.5-preview028)
 
+**Documentation and other chores:**
+
+- Extract System.Math [\#50](https://github.com/nanoframework/lib-CoreLibrary/pull/50) [[Breaking-Change](https://github.com/nanoframework/lib-CoreLibrary/labels/Breaking-Change)]
+
 ## [v1.0.3](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.0.3) (2018-10-16)
 [Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.0.2...v1.0.3)
 
-**Implemented enhancements:**
+**Fixed bugs:**
 
-- Add GetCustomAttributes method to MemberInfo and derived classes [\#27](https://github.com/nanoframework/lib-CoreLibrary/pull/27)
+- Fix PostProcessInteger in System.Number [\#25](https://github.com/nanoframework/lib-CoreLibrary/pull/25)
 
 **Documentation and other chores:**
 
@@ -160,7 +172,7 @@
 ## [v1.0.2](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.0.2) (2018-10-16)
 **Implemented enhancements:**
 
-- Add new TimeSpan.From methods [\#57](https://github.com/nanoframework/lib-CoreLibrary/pull/57)
+- Add GetCustomAttributes method to MemberInfo and derived classes [\#27](https://github.com/nanoframework/lib-CoreLibrary/pull/27)
 - Add Encoding.GetString\(\) method [\#20](https://github.com/nanoframework/lib-CoreLibrary/pull/20)
 - Implement missing GetHashCode\(\) on several classes/structs [\#17](https://github.com/nanoframework/lib-CoreLibrary/pull/17)
 - Improve System.Single [\#16](https://github.com/nanoframework/lib-CoreLibrary/pull/16)
@@ -174,17 +186,14 @@
 **Fixed bugs:**
 
 - Fix Assembly.GetType\(string, bool\) throws ArgumentException [\#26](https://github.com/nanoframework/lib-CoreLibrary/pull/26)
-- Fix PostProcessInteger in System.Number [\#25](https://github.com/nanoframework/lib-CoreLibrary/pull/25)
 - Constructor should copy only the desired chars [\#24](https://github.com/nanoframework/lib-CoreLibrary/pull/24)
 - Fix Hashtable.CopyTo [\#23](https://github.com/nanoframework/lib-CoreLibrary/pull/23)
 - Fix issue with ToString for doubles and floats [\#22](https://github.com/nanoframework/lib-CoreLibrary/pull/22)
 - Remove implementations of GetHashCode\(\) from several classes [\#21](https://github.com/nanoframework/lib-CoreLibrary/pull/21)
-- Fix infinite loop in Append\(object value\) [\#10](https://github.com/nanoframework/lib-CoreLibrary/pull/10)
 - Update Number.cs [\#6](https://github.com/nanoframework/lib-CoreLibrary/pull/6)
 
 **Documentation and other chores:**
 
-- Extract System.Math [\#50](https://github.com/nanoframework/lib-CoreLibrary/pull/50) [[Breaking-Change](https://github.com/nanoframework/lib-CoreLibrary/labels/Breaking-Change)]
 - Merge 'develop' for Release 1.0.2 [\#44](https://github.com/nanoframework/lib-CoreLibrary/pull/44)
 - Add all missing comments for documentation and Intellisense [\#18](https://github.com/nanoframework/lib-CoreLibrary/pull/18)
 - Update comment on Random class [\#9](https://github.com/nanoframework/lib-CoreLibrary/pull/9)