Moves showing the intro into the formatting of a failure

lib/display.ex

@@ -21,10 +21,20 @@ defmodule Display do
   defp name(module), do: name(Atom.to_string(module))
 
   def show_failure(failure, module, name) do
-    intro(module, Tracker.visited)
     IO.puts(format(failure, module, name))
   end
 
+  def format(failure, module, name) do
+    """
+    #{intro(module, Tracker.visited)}
+    Now meditate upon #{format_module(module)}
+    #{progress_bar(Tracker.summarize)}
+    ----------------------------------------
+    #{name}
+    #{format_failure(failure)}
+    """
+  end
+
   defp intro(module, modules) do
     if not module in modules do
       show_intro(module.intro)
@@ -38,17 +48,6 @@ defmodule Display do
     |> IO.puts
   end
 
-
-  def format(failure, module, name) do
-    """
-    Now meditate upon #{format_module(module)}
-    #{progress_bar(Tracker.summarize)}
-    ----------------------------------------
-    #{name}
-    #{format_failure(failure)}
-    """
-  end
-
   def progress_bar(%{current: current, total: total}) do
     arrow = caluculate_progress(current, total) |> build_arrow