Bump version (#19)

* Remove Gitlab CI

* Bump version

.gitlab-ci.yml

@@ -1,12 +0,0 @@
-image: elixir:1.8
-
-before_script:
-  - apt-get update
-  - apt-get install -y rustc cargo
-  - mix local.rebar --force
-  - mix local.hex --force
-  - mix deps.get
-
-mix:
-  script:
-    - mix test

README.md

@@ -15,7 +15,7 @@ by adding `xler` to your list of dependencies in `mix.exs`:
 ```elixir
 def deps do
   [
-    {:xler, "~> 0.4.1"}
+    {:xler, "~> 0.6.0"}
   ]
 end
 ```

mix.exs

@@ -4,7 +4,7 @@ defmodule Xler.MixProject do
   def project do
     [
       app: :xler,
-      version: "0.5.0",
+      version: "0.6.0",
       elixir: "~> 1.8",
       start_permanent: Mix.env() == :prod,
       compilers: [:rustler] ++ Mix.compilers(),