Add Stream.with_index/1 and Enum.with_index/1
Add Stream.cycle/1
Improve Stream doctests
Deprecate File.*iterator! in favor of File.*lines_stream!
Improve the docs
Add Stream.reject/2 and Stream.(drop|take)*/2
Decide on IO.stream and unify read/readline API
Merge branch 'jv-streams'
Update CHANGELOG
Fixing typos in Stream docs
Fixing typos in the Code module
Merge pull request #1348 from jwarwick/stream_typos

Fixing typos in Stream docs
Merge pull request #1349 from jwarwick/code_typos

Fixing typos in the Code module
Refactor and improve coverage of ExUnit formatters
Remove unecessary overheard on ExUnit runner and ensure messages are in order
Support :debug option on ExUnit
Support --debug on internal tests which are not run through mix
No need to print 'test' before each test name
Add mix test --debug
Update CHANGELOG