Add change log, update dist excluded files

.gitattributes

@@ -4,6 +4,8 @@
 /tests export-ignore
 /stubs export-ignore
 /tools export-ignore
+/benchmarks export-ignore
+/composer.lock export-ignore
 /.gitattributes export-ignore
 /.gitignore export-ignore
 /.gitmodules export-ignore

CHANGELOG.md

+# Changelog
+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).
+
+## [3.7.2] - 2019-10-23
+
+### Added
+- Change log.
+
+### Fixed
+- Few irrelevant files not mentioned in `.gitattributes`.
+
+## [3.7.1] - 2019-09-26
+
+### Added
+- Benchmarks to CI.
+
+### Fixed
+- Unstable array rearrange order.
+
+## [3.7.0] - 2019-04-25
+
+### Added
+- `getModifiedDiff()` and `COLLECT_MODIFIED_DIFF` option to return paths with original and new values.
+
+## [3.6.0] - 2019-04-24
+
+### Added
+- Compatibility option to `TOLERATE_ASSOCIATIVE_ARRAYS` that mimic JSON objects.
+
+[3.7.2]: https://github.com/swaggest/json-diff/compare/v3.7.1...v3.7.2
+[3.7.1]: https://github.com/swaggest/json-diff/compare/v3.7.0...v3.7.1
+[3.7.0]: https://github.com/swaggest/json-diff/compare/v3.6.0...v3.7.0
+[3.6.0]: https://github.com/swaggest/json-diff/compare/v3.5.1...v3.6.0

Makefile

-PHPSTAN_VERSION ?= 0.11.15
+PHPSTAN_VERSION ?= 0.11.19
 PHPBENCH_VERSION ?= 0.16.10
 
 deps: