feat(stream watchers) add stream watcher support
feat(stream watchers) end streaming if too many notifications
Merge pull request #16 from cenkalti/li

feat(stream watchers) end streaming if too many notifications
feat(stream watchers) disable double chunking
Merge pull request #17 from cenkalti/li

feat(stream watchers) disable double chunking
feat(stream watchers) fix locking issue
Merge pull request #18 from cenkalti/li

feat(stream watchers) fix locking issue
Merge pull request #461 from xiangli-cmu/stream_watcher

feat(stream watchers) add stream watcher support