Update CHANGELOG.md

Author: vearutop

CHANGELOG.md

@@ -4,6 +4,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.12.29] - 2020-03-19
+
+### Added
+- AJV and JSON Shema Test suites updated. 
+
+### Fixed
+- Validating `enum` and `const` in case of float vs. int comparison for equal values.  
+- Validation of time format edge cases.
+
 ## [0.12.28] - 2020-01-27
 
 ### Fixed
@@ -49,6 +58,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 - Export `null` value instead of skipping it for properties having `null` type.
 
+[0.12.29]: https://github.com/swaggest/php-json-schema/compare/v0.12.28...v0.12.29
 [0.12.28]: https://github.com/swaggest/php-json-schema/compare/v0.12.27...v0.12.28
 [0.12.27]: https://github.com/swaggest/php-json-schema/compare/v0.12.26...v0.12.27
 [0.12.26]: https://github.com/swaggest/php-json-schema/compare/v0.12.25...v0.12.26