revert to symbols

Parfait::Words were nice, but endless problems with the fact that when
you write “String” you get a string.
Symbols take care of uniqueness at the same time

test/virtual/virtual_helper.rb

@@ -28,7 +28,17 @@ module VirtualHelper
   end
 
 end
-
+module Virtual
+  # Functions to generate parfait objects
+  def self.new_word( string )
+    string = string.to_s if string.is_a? Symbol
+    word = Parfait::Word.new_object( string.length )
+    string.codepoints.each_with_index do |code , index |
+      word.set_char(index + 1 , code)
+    end
+    word
+  end
+end
 class UnusedSofEquality
   # simple thought: don't recurse for Blocks, just check their names
   def == other