Bump version to 2.4.0

CHANGES.md

@@ -2,6 +2,13 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## 2.4.0
+- Fix page being updated when user wants to open a link in a new tab
+- Plugins can now replaced default code highlighter
+- Add semantic information for screen readers (web version)
+- Content references accept absolute paths, resolved to book folder
+- Improve overall reliability
+
 ## 2.3.3
 - Fix bug in SUMMARY parsing preventing multiple entries without filenames
 

package.json

@@ -1,6 +1,6 @@
 {
     "name": "gitbook",
-    "version": "2.3.3",
+    "version": "2.4.0",
     "homepage": "https://www.gitbook.com",
     "description": "Library and cmd utility to generate GitBooks",
     "main": "lib/index.js",