Initial signature test

lib/geef/signature.ex

@@ -0,0 +1,9 @@
+defrecord Geef.Signature, Record.extract(:geef_signature, from: "src/geef_records.hrl") do
+
+  def new(name, email), do: :geef_sig.new(name, email) |> maybe_sig
+  def new(name, email, time), do: :geef_sig.new(name, email, time) |> maybe_sig
+
+  defp maybe_sig({ok, sig}), do: {ok, Geef.Signature.new sig}
+  defp maybe_sig(error), do: error
+
+end