Update CHANGELOG

Author: jhnns

CHANGELOG.md

@@ -1,41 +1,46 @@
-##Changelog
+Changelog
+---------
 
-###2.0.1
+### 2.1.0
+- Added revert feature of `__set__` method
+- Introduced `__with__` method to revert changes automatically
+
+### 2.0.1
 - Added test coverage tool
 - Small README and description changes
 
-###2.0.0
+### 2.0.0
 - Removed client-side bundler extensions. Browserify is not supported anymore. Webpack support has been extracted
   into separate repository https://github.com/jhnns/rewire-webpack
 
-###1.1.3
+### 1.1.3
 - Removed IDE stuff from npm package
 
-###1.1.2
+### 1.1.2
 - Added deprecation warning for client-side bundlers
 - Updated package.json for node v0.10
 
-###1.1.1
+### 1.1.1
 - Fixed bug with modules that had a comment on the last line
 
-###1.1.0
+### 1.1.0
 - Added Coffee-Script support
 - Removed Makefile: Use `npm test` instead.
 
-###1.0.4
+### 1.0.4
 - Improved client-side rewire() with webpack
 
-###1.0.3
+### 1.0.3
 - Fixed error with client-side bundlers when a module was ending with a comment
 
-###1.0.2
+### 1.0.2
 - Improved strict mode detection
 
-###1.0.1
+### 1.0.1
 - Fixed crash when a global module has been used in the browser
 
-###1.0.0
+### 1.0.0
 - Removed caching functionality. Now rewire doesn't modify `require.cache` at all
 - Added support for [webpack](https://github.com/webpack/webpack)-bundler
 - Moved browserify-middleware from `rewire.browserify` to `rewire.bundlers.browserify`
-- Reached stable  state :)
+- Reached stable state :)