Keywords are no longer sorted
Add binary_to_(integer|float) to (integer|float)_to_binary
Merge pull request #548 from guedes/master

fixing indentation in docs examples
Merge pull request #547 from devinus/binary-to-number

Add binary_to_(integer|float) to (integer|float)_to_binary
Make tokenizer be able to limit atoms to existing atoms only
Refactor elixir_tokenizer scope options
Remove convertion to atom from parser
Merge branch 'existing-atoms'
Improve Code.string_to_ast docs
unquote_splicing should work with pipes
Slightly better helpers documentation in IEx
Merge pull request #550 from yrashk/iex-better-help

Slightly better helpers documentation in IEx
Rename d helper to h, and h helper to v/0
Merge pull request #551 from yrashk/iex-helper-renaming

Rename d helper to h, and h helper to v/0
Improve docs for IEx
Fix Keyword.merge, speed up Keyword.delete
Add Keyword.equal?
Use Keyword.equal? instead of sorting
Merge pull request #555 from elixir-lang/jv-unordered-keywords

Unordered keywords
Improve IO docs