Update README.md
Ignore ShutdownChannelGroupException to avoid invoking catcher twice
Merge branch 'master' of github.com:qifun/stateless-future-util
Add FunctionFuture
避免超过120字符的行
修改了Sleep里面tailcalls没有调用.result的bug
build.sbt里面给eclipse增加了新的警告提示："-Ywarn-value-discard"
新增3个测试
删掉CancellablePromise.apply的参数，以免误用
Merge branch 'master' of github.com:qifun/stateless-future-util
Merge branch 'master' of github.com:qifun/stateless-future-util into statelessFutureUtilTest
Fix compiler error for Scala 2.10.x, and convert Promise and CancallablePromise to traits.
Merge branch 'master' of github.com:qifun/stateless-future-util into statelessFutureUtilTest
Fix warnings
Delete wrong comments
修正了JumpInto调用位置的错误导致Zip在一起的两个Future先后执行
新增PollTest的测试，同时测试了CancellablePromise的一些方法
Delete Promise.completeWith, and make Promise#completeWith return Unit
Merge branch 'master' of github.com:qifun/stateless-future-util into statelessFutureUtilTest
针对Promise的completeWith函数的修改，修改了调用方式