Update Changelog to v1.2.0

Author: gahjelle

CHANGELOG.md

@@ -7,13 +7,15 @@ The format is based on [Keep a Changelog](https://keepachangelog1.com/en/1.0.0/)
 
 ## [Unreleased]
 
+## [1.2.0] - 2020-03-03
+
 ### Added
 
-- Attributes that can be referenced in the `text` template string (suggested by [@mlisovyi](https://github.com/mlisovyi) in [#24]).
+- Attributes that can be referenced in the `text` template string, suggested by [@mlisovyi](https://github.com/mlisovyi) in [#24] ([#25]).
 
 ### Changed
 
-- `Timer.timers` changed from regular to `dict` to a custom dictionary supporting basic statistics for named timers.
+- `Timer.timers` changed from regular to `dict` to a custom dictionary supporting basic statistics for named timers ([#23]).
 
 
 ## [1.1.0] - 2020-01-15
@@ -31,10 +33,14 @@ The format is based on [Keep a Changelog](https://keepachangelog1.com/en/1.0.0/)
 Initial version of `codetiming`. Version 1.0.0 corresponds to the code in the tutorial [Python Timer Functions: Three Ways to Monitor Your Code](https://realpython.com/python-timer/).
 
 
-[Unreleased]: https://github.com/realpython/codetiming/compare/v1.1.0...HEAD
+[Unreleased]: https://github.com/realpython/codetiming/compare/v1.2.0...HEAD
+[1.2.0]: https://github.com/realpython/codetiming/compare/v1.1.0...v1.2.0
 [1.1.0]: https://github.com/realpython/codetiming/compare/v1.0.0...v1.1.0
 [1.0.0]: https://github.com/realpython/codetiming/releases/tag/v1.0.0
 
 [#13]: https://github.com/realpython/codetiming/pull/13
 [#17]: https://github.com/realpython/codetiming/pull/17
 [#18]: https://github.com/realpython/codetiming/pull/18
+[#23]: https://github.com/realpython/codetiming/pull/23
+[#24]: https://github.com/realpython/codetiming/issues/24
+[#25]: https://github.com/realpython/codetiming/pull/25