Changing versions for libraries to versions that actually work

lessons/specifics/ecto.md

@@ -17,8 +17,8 @@ To get started we need to include Ecto and a database adapter in our project's `
 
 ```elixir
 defp deps do
- [{:ecto, "~> 1.0"},
- {:postgrex, ">= 0.0.0"}]
+ [{:ecto, "~> 2.1.4"},
+ {:postgrex, ">= 0.13.2"}]
 end
 ```
 

lessons/specifics/plug.md

@@ -24,8 +24,8 @@ The first thing to do is add both Plug and a web server (we'll be using Cowboy)
 
 ```elixir
 defp deps do
- [{:cowboy, "~> 1.0.0"},
- {:plug, "~> 1.0"}]
+ [{:cowboy, "~> 1.1.2"},
+ {:plug, "~> 1.3.4"}]
 end
 ```
 

pt/lessons/specifics/ecto.md

@@ -22,8 +22,8 @@ do README do Ecto. Para o nosso exemplo iremos usar o PostgreSQL:
 
 ```elixir
 defp deps do
- [{:ecto, "~> 1.0"},
- {:postgrex, ">= 0.0.0"}]
+ [{:ecto, "~> 2.1.4"},
+ {:postgrex, ">= 0.13.2"}]
 end
 ```
 

pt/lessons/specifics/plug.md

@@ -17,8 +17,8 @@ A instalação é uma brisa se você utilizar mix. Para instalar Plug nós preci
 
 ```elixir
 defp deps do
- [{:cowboy, "~> 1.0.0"},
- {:plug, "~> 1.0"}]
+ [{:cowboy, "~> 1.1.2"},
+ {:plug, "~> 1.3.4"}]
 end
 ```