Bumped version to v2.2.4, added CHANGELOG entry

Author: holgerd77

CHANGELOG.md

@@ -6,6 +6,15 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 (modification: no type change headlines) and this project adheres to
 [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [v2.2.4] - 2019-11-02
+
+- Removed unused `Dictionary` `Input` type for `RLP.encode()` and `RLP.decode()`,
+  PR [#74](https://github.com/ethereumjs/rlp/pull/74)
+- Removed unused `safe-buffer` dependency,
+  PR [#80](https://github.com/ethereumjs/rlp/pull/80)
+
+[v2.2.4]: https://github.com/ethereumjs/rlp/compare/2.2.3...v2.2.4
+
 ## [v2.2.3] - 2019-03-19
 
 - More robust `Array` type checking in `RLP.encode()` function,
@@ -14,7 +23,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
   values (e.g. `RLP.encode(-1)`),
   PR [#71](https://github.com/ethereumjs/rlp/pull/70)
 
-[v2.2.3]: https://github.com/ethereumjs/rlp/compare/2.2.1...v2.2.3
+[v2.2.3]: https://github.com/ethereumjs/rlp/compare/2.2.2...v2.2.3
 
 ## [v2.2.2] - 2019-01-15
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rlp",
-  "version": "2.2.3",
+  "version": "2.2.4",
   "description": "Recursive Length Prefix Encoding Module",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",