update readme

Author: tim-kos

README.md

@@ -182,6 +182,8 @@ retry is licensed under the MIT license.
 
 #Changelog
 
+0.8.0 Implementing retry.wrap.
+
 0.7.0 Some bugfixes and made retry.createTimeout() public. Fixed issues [#10](https://github.com/tim-kos/node-retry/issues/10), [#12](https://github.com/tim-kos/node-retry/issues/12), and [#13](https://github.com/tim-kos/node-retry/issues/13).
 
 0.6.0 Introduced optional timeOps parameter for the attempt() function which is an object having a property timeout in miliseconds and a property cb callback function. Whenever your retry operation takes longer than timeout to execute, the timeout callback function cb is called.