Grammar
Formatting of warning text
Merge pull request #18 from stoft/master

Grammar and layout - Thanks!
IO.readline deprecated, updated code example
IO.readline deprecated, updated description
Grammar, missing 'use'
Merge pull request #19 from stoft/master

IO.readline deprecated, grammar correction - Thanks!
binary_to_integer is deprecated, change to String.to_integer in code example and description
update list comprehension syntax in list_comp.ex
Merge pull request #23 from dariajung/master

binary_to_integer is deprecated
Merge pull request #24 from dariajung/list-comprehension

update list comprehension syntax in list_comp.ex
Making this repo identical to the Atlas version of Etudes for Elixir; RT# 183927