to_binary has been deprecated, to_string works

Tested on Interactive Elixir (0.11.2-dev)
Merge pull request #172 from mikulely/patch-1

to_binary has been deprecated, to_string works
Key-value pair stores in a list, not in a tuple

Tested on Interactive Elixir (0.11.2-dev)
Merge pull request #173 from mikulely/patch-1

Key-value pair stores in a list, not in a tuple
The second element of tuple has been added some metadata.

Tested on Interactive Elixir (0.11.2-dev)
Merge pull request #174 from mikulely/patch-2

The second element of tuple has been added some metadata.
Update partial function example

Tested on Interactive Elixir (0.11.2-dev),the function `atom_to_binary/1`'s arity is 1, a function which arity is 2 should be used here to demonstrate the usage of partial function.
Merge pull request #175 from mikulely/patch-1

Update partial function example
Binary.Inspect now is Inspect

Tested on Interactive Elixir (0.11.2)
Merge pull request #176 from mikulely/patch-1

Binary.Inspect now is Inspect
IO.puts accepts number
Merge pull request #177 from mururu/fix-io-puts

IO.puts accepts number
Fix erlang code example

Shouldn't call a function "fun" in erlang code, update the erlang function naming to match the Elixir code.
Merge pull request #178 from RJ/patch-1

Fix erlang code example 'fun'
Fixing minor typo on blog post
Blog post about the new enumerators
Merge pull request #180 from rafaelrosafu/patch-1

Fixing minor typo on blog post
Added link to Elixir GtkSourceView
Merge pull request #181 from SteffenBauer/master

Added link to Elixir-GtkSourceView
Merge pull request #179 from pminten/cont-enumerators-post

Blog post about the new enumerators