CHANGELOG.md in sippy_cup-0.2.1 vs CHANGELOG.md in sippy_cup-0.2.2

@@ -1,4 +1,9 @@
+# [0.2.2](https://github.com/bklang/sippy_cup/compare/v0.2.1...v0.2.2)
+* Feature: Added support for REGISTER messages
+* Bugfix: Enable testing through proxies
+* Several enhancements to the test runner, including ability to specify a data file and the RTCP port
+
 # [0.2.1](https://github.com/bklang/sippy_cup/compare/v0.2.0...v0.2.1)
 * Bugfix: fix the name of the compiled files
 * Bugfix: Fix SIPp arg to enable trace stats
 
 # [0.2.0](https://github.com/bklang/sippy_cup/compare/v0.1.1...v0.2.0)