update changelog

Author: rez1dent3

changelog.md

@@ -6,6 +6,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.4.1] - 2019-05-17
+### Fixed
+- Readme.md
+- lumen framework
+
+### Added
+- new tests have been added.
+- method `refreshBalance`.
+
+### Deprecated
+- method `calculateBalance`.
+- method `holderTransfers`.
+
 ## [2.4.0] - 2019-05-14
 ### Added
 - Add zh-CN trans. @MoeCasts
@@ -237,7 +250,8 @@ The operation is now executed in the transaction and updates the new `refund` fi
 - Exceptions: AmountInvalid, BalanceIsEmpty.
 - Models: Transfer, Transaction.
 
-[Unreleased]: https://github.com/bavix/laravel-wallet/compare/2.4.0...dev
+[Unreleased]: https://github.com/bavix/laravel-wallet/compare/2.4.1...3.0
+[2.4.1]: https://github.com/bavix/laravel-wallet/compare/2.4.0...2.4.1
 [2.4.0]: https://github.com/bavix/laravel-wallet/compare/2.3.2...2.4.0
 [2.3.2]: https://github.com/bavix/laravel-wallet/compare/2.3.1...2.3.2
 [2.3.1]: https://github.com/bavix/laravel-wallet/compare/2.3.0...2.3.1