[CHANGELOG] Updated changelog

Author: bastianschwarz

CHANGELOG.md

@@ -7,6 +7,8 @@
 **Implemented enhancements:**
 
 - Add "before" to deployer functions [\#9](https://github.com/codenamephp/deployer.base/issues/9)
+- Add "within" to deployer functions [\#8](https://github.com/codenamephp/deployer.base/issues/8)
+- Added within method [\#12](https://github.com/codenamephp/deployer.base/pull/12) ([bastianschwarz](https://github.com/bastianschwarz))
 - Added before function [\#11](https://github.com/codenamephp/deployer.base/pull/11) ([bastianschwarz](https://github.com/bastianschwarz))
 
 **Merged pull requests:**