This release reverts a BC break that led to fatal errors when attempting to load child classes of the proxy generators. Total issues resolved: **2** - [451: synfony integration](https://github.com/Ocramius/ProxyManager/issues/451) thanks to @soufianez75 - [452: Revert BC break - `: void` cannot be added as return type to open classes](https://github.com/Ocramius/ProxyManager/pull/452) thanks to @Ocramius