fix parfait test

lib/parfait/hash.rb

@@ -1,5 +1,7 @@
 # almost simplest hash imaginable. make good use of arrays
-class Hash
+module Parfait
+end
+class Parfait::Hash
   def initialize
     @keys = Array.new()
     @values = Array.new()

lib/salama.rb

@@ -8,3 +8,5 @@ require "ast/all"
 require "sof/all"
 require "register/register_machine"
 require_relative "stream_reader"
+
+require_relative "parfait/hash"

test/parfait/hash_test.rb

@@ -1,10 +1,9 @@
 require_relative "../helper"
-require "parfait/hash"
 
 class TestLists < MiniTest::Test
 
   def setup
-    @list = Hash.new
+    @list = ::Parfait::Hash.new
   end
   def test_list_create
     assert @list.empty?

test/test_all.rb

@@ -1,6 +1,6 @@
 # All working tests (ahm), still working on the others, so no use to be constantly reminded
 require_relative "arm/test_all"
-require_relative "parfait/hash"
 require_relative "sof"
+require "parfait/hash_test"
 
 #require_relative "virtual/test_all"