Bump exfswatch version to fix Elixir 1.4 warnings

mix.exs

@@ -14,7 +14,7 @@ defmodule Koans.Mixfile do
   end
 
   defp deps do
-    [{:exfswatch, "~> 0.1.1"}]
+    [{:exfswatch, "~> 0.3"}]
   end
 
   defp elixirc_path(:test), do: ["lib/", "test/support"]

mix.lock

@@ -1,2 +1,2 @@
-%{"exfswatch": {:hex, :exfswatch, "0.1.1", "7ccf6fc9b443d04dada3e50b21f910b4d0e4546ce7772dc6d4181fb929ea186f", [:mix], [{:fs, "~> 0.9", [hex: :fs, optional: false]}]},
-  "fs": {:hex, :fs, "0.9.2", "ed17036c26c3f70ac49781ed9220a50c36775c6ca2cf8182d123b6566e49ec59", [:rebar], []}}
+%{"exfswatch": {:hex, :exfswatch, "0.3.0", "4b07f871460c931e66a4a6af00510dfab9a9c8db3e519f21152a88bec4797a46", [:mix], [{:fs, "~> 2.12", [hex: :fs, optional: false]}]},
+  "fs": {:hex, :fs, "2.12.0", "ad631efacc9a5683c8eaa1b274e24fa64a1b8eb30747e9595b93bec7e492e25e", [:rebar3], []}}