Changelog [0.5.0] - 2020-10-14 add transparent wrapping of Future and Stream types via new cargo feature futures [0.4.0] - 2019-11-18 add Clone and Debug implementations [0.3.0] - 2019-10-16 implement Sync marker trait [0.2.0] - 2017-10-04 add take() method [0.1.0] - 2017-09-07 initial release