rebased atomic-updates from master
add tests cases for using sampledBy with combined stream
re-implement sampledBy, by a simpler one. it also passes the new tests
cleanup
add TODO
build js
fix cleanup bug
return value tuning
build js
add relnotes, README update for atomic updates
release 0.4.0
add fold/reduce
build js
add flatMapFirst and debounceImmediate
documentation for flatMapFirst, debounceImmediate
update relnotes
release 0.4.1
fixed markdown
Merge pull request #178 from wolfflow/fix-readme-md

fixed markdown at README.md