Release commit for v2.2.0

CHANGELOG.md

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+# Changelog
+All notable changes to this project will be documented in this file.
+
+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).
+
+
+## [2.2.0] - 2017-12-07
+- ``EIP-8`` compatibility
+- Improved debug messages
+- Fixes a bug on DPT ping timeout being triggered even if pong message is received
+- Only send connect event after both HELLO msgs are exchanged (fixes unreliable upper-protocol communication start)
+- Connection reliability improvements for ``peer-communication`` example
+- API documentation
+
+[2.2.0]: https://github.com/ethereumjs/ethereumjs-devp2p/compare/v2.1.3...v2.2.0
+
+## [2.1.3] - 2017-11-09
+- Dependency updates
+- Improved README documentation
+
+[2.1.3]: https://github.com/ethereumjs/ethereumjs-devp2p/compare/v2.1.2...v2.1.3
+
+## Older releases:
+
+- [2.1.2](https://github.com/ethereumjs/ethereumjs-devp2p/compare/v2.1.1...v2.1.2) - 2017-05-16
+- [2.1.1](https://github.com/ethereumjs/ethereumjs-devp2p/compare/v2.1.0...v2.1.1) - 2017-04-27
+- [2.1.0](https://github.com/ethereumjs/ethereumjs-devp2p/compare/v2.0.0...v2.1.0) - 2016-12-11
+- [2.0.0](https://github.com/ethereumjs/ethereumjs-devp2p/compare/v1.0.0...v2.0.0) - 2016-11-14
+- 1.0.0 - 2016-10-18
+
+
+
+

package.json

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 {
   "name": "ethereumjs-devp2p",
-  "version": "2.1.3",
+  "version": "2.2.0",
   "description": "A JavaScript implementation of ÐΞVp2p",
   "keywords": [
     "ethereum",