Update escript options: :name, :comment, :emu_args
Cleaning up IEx.Helpers.Flush warning
Merge pull request #2438 from jwarwick/helper_warning

Cleaning up IEx.Helpers.Flush warning
Merge pull request #2431 from alco/escript-name

Mention the fact that :escript_name is also used as a module name
Fix unclear doc in Stream.unfold
Merge pull request #2440 from tallakt/stream_unfold_typo

Fix unclear doc in Stream.unfold