Merge tag '0.1.2' into develop

Release 0.1.2

README.md

@@ -17,7 +17,7 @@ Tres is a framework and set of helper libraries to develop OpenFlow controllers
 ```elixir
 def deps do
   [
-    {:tres, "~> 0.1.1"}
+    {:tres, "~> 0.1.2"}
   ]
 end
 ```

mix.exs

@@ -8,7 +8,7 @@ defmodule Tres.Mixfile do
   def project do
     [
       app: :tres,
-      version: "0.1.1",
+      version: "0.1.2",
       description: @description,
       elixir: "~> 1.8",
       package: package(),