diff --git a/mix.exs b/mix.exs
index 5de4341..e100f6c 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,57 +1,58 @@
 defmodule KolabChat.Mixfile do
   use Mix.Project
 
   def project do
     [app: :kolab_chat,
      version: "0.0.1",
      elixir: "~> 1.2",
      elixirc_paths: elixirc_paths(Mix.env),
      compilers: [:phoenix, :gettext] ++ Mix.compilers,
      build_embedded: Mix.env == :prod,
      start_permanent: Mix.env == :prod,
      aliases: aliases(),
      deps: deps()]
   end
 
   # Configuration for the OTP application.
   #
   # Type `mix help compile.app` for more information.
   def application do
     [ mod: {KolabChat, []}, applications: applications(Mix.env) ]
   end
 
   def applications(:dev), do: applications(:all) ++ [:remix]
   def applications(_all) do
      [:phoenix, :phoenix_pubsub, :phoenix_html, :cowboy, :logger, :gettext, :amnesia]
   end
 
   # Specifies which paths to compile per environment.
   defp elixirc_paths(:test), do: ["lib", "test/support"]
   defp elixirc_paths(_),     do: ["lib"]
 
   # Specifies your project dependencies.
   #
   # Type `mix help deps` for examples and options.
   defp deps do
     [{:phoenix, "~> 1.3.0-rc"},
      {:phoenix_pubsub, "~> 1.0"},
      {:phoenix_html, "~> 2.6"},
      {:phoenix_live_reload, "~> 1.0", only: :dev},
      {:gettext, "~> 0.11"},
      {:amnesia, "~> 0.2.0"},
      {:cowboy, "~> 1.0"},
+     {:uuid, "~> 1.1"},
      {:remix, "~> 0.0.2", only: [:dev]},
      {:credo, "~> 0.5", only: [:dev, :test]}
      ]
   end
 
   # Aliases are shortcuts or tasks specific to the current project.
   # For example, to create, migrate and run the seeds file at once:
   #
   #     $ mix ecto.setup
   #
   # See the documentation for `Mix` for more info on aliases.
   defp aliases do
     []
   end
 end
diff --git a/mix.lock b/mix.lock
index 88b98b3..2bc2169 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,17 +1,18 @@
 %{"amnesia": {:hex, :amnesia, "0.2.7", "ffc2221bf72da4cfafbbb497adf9cf7e52138f1333cec5836187a53f94ae0665", [:mix], [{:exquisite, "~> 0.1.7", [hex: :exquisite, repo: "hexpm", optional: false]}], "hexpm"},
   "bunt": {:hex, :bunt, "0.2.0", "951c6e801e8b1d2cbe58ebbd3e616a869061ddadcc4863d0a2182541acae9a38", [:mix], [], "hexpm"},
   "cowboy": {:hex, :cowboy, "1.1.2", "61ac29ea970389a88eca5a65601460162d370a70018afe6f949a29dca91f3bb0", [:rebar3], [{:cowlib, "~> 1.0.2", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "~> 1.3.2", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm"},
   "cowlib": {:hex, :cowlib, "1.0.2", "9d769a1d062c9c3ac753096f868ca121e2730b9a377de23dec0f7e08b1df84ee", [], [], "hexpm"},
   "credo": {:hex, :credo, "0.7.4", "0c33bcce4d574ce6df163cbc7d1ecb22de65713184355bd3be81cc4ab0ecaafa", [:mix], [{:bunt, "~> 0.2.0", [hex: :bunt, repo: "hexpm", optional: false]}], "hexpm"},
   "exquisite": {:hex, :exquisite, "0.1.8", "ee8f56aae477287ce5e7dfcbc163a420cccbb73e680a6d80a09203e9ef514fa4", [], [], "hexpm"},
   "fs": {:hex, :fs, "0.9.2", "ed17036c26c3f70ac49781ed9220a50c36775c6ca2cf8182d123b6566e49ec59", [], [], "hexpm"},
   "gettext": {:hex, :gettext, "0.13.1", "5e0daf4e7636d771c4c71ad5f3f53ba09a9ae5c250e1ab9c42ba9edccc476263", [], [], "hexpm"},
   "mime": {:hex, :mime, "1.1.0", "01c1d6f4083d8aa5c7b8c246ade95139620ef8effb009edde934e0ec3b28090a", [:mix], [], "hexpm"},
   "phoenix": {:hex, :phoenix, "1.3.0-rc.2", "53104ada25ba85fe160268c0dc826fe038bc074293730b4522fb9aca28d8aa13", [:mix], [{:cowboy, "~> 1.0", [hex: :cowboy, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 1.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.3.2 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: false]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm"},
   "phoenix_html": {:hex, :phoenix_html, "2.9.3", "1b5a2122cbf743aa242f54dced8a4f1cc778b8bd304f4b4c0043a6250c58e258", [], [{:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
   "phoenix_live_reload": {:hex, :phoenix_live_reload, "1.0.8", "4333f9c74190f485a74866beff2f9304f069d53f047f5fbb0fb8d1ee4c495f73", [:mix], [{:fs, "~> 0.9.1", [hex: :fs, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.0 or ~> 1.2-rc", [hex: :phoenix, repo: "hexpm", optional: false]}], "hexpm"},
   "phoenix_pubsub": {:hex, :phoenix_pubsub, "1.0.1", "c10ddf6237007c804bf2b8f3c4d5b99009b42eca3a0dfac04ea2d8001186056a", [], [], "hexpm"},
   "plug": {:hex, :plug, "1.3.5", "7503bfcd7091df2a9761ef8cecea666d1f2cc454cbbaf0afa0b6e259203b7031", [:mix], [{:cowboy, "~> 1.0.1 or ~> 1.1", [hex: :cowboy, repo: "hexpm", optional: true]}, {:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}], "hexpm"},
   "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [:mix], [], "hexpm"},
   "ranch": {:hex, :ranch, "1.3.2", "e4965a144dc9fbe70e5c077c65e73c57165416a901bd02ea899cfd95aa890986", [:rebar3], [], "hexpm"},
-  "remix": {:hex, :remix, "0.0.2", "f06115659d8ede8d725fae1708920ef73353a1b39efe6a232d2a38b1f2902109", [:mix], [], "hexpm"}}
+  "remix": {:hex, :remix, "0.0.2", "f06115659d8ede8d725fae1708920ef73353a1b39efe6a232d2a38b1f2902109", [:mix], [], "hexpm"},
+  "uuid": {:hex, :uuid, "1.1.7", "007afd58273bc0bc7f849c3bdc763e2f8124e83b957e515368c498b641f7ab69", [:mix], [], "hexpm"}}