x0a1b

Just updated my coroutine package to `0.30.1` and now I am getting this exception: ``` Caused by: java.lang.IllegalAccessError: tried to access field kotlinx.coroutines.experimental.Dispatchers.Default from class org.springframework.kotlin.experimental.coroutine.context.CoroutineContexts at org.springframework.kotlin.experimental.coroutine.context.CoroutineContexts.defaultDispatcher(CoroutineContexts.kt:29) at org.springframework.kotlin.experimental.coroutine.context.CoroutineContexts$$EnhancerBySpringCGLIB$$f8f15d29.CGLIB$defaultDispatcher$0()...

So after following the instructions described in `README.md` running server logs a warning: ``` WARN - o.s.c.a.ConfigurationClassPostProcessor Cannot enhance @Configuration bean definition 'org.springframework.kotlin.experimental.coroutine.cache.CoroutineCacheConfiguration' since its singleton instance has been created...