Remove Padded module

Parfait was depending on it, ie it created a dependency out of Parfait. But Parfiat needs to be self contained.
Moved 2 methods into parfait object, and resolved single call from text_writer to third.

test/parfait/test_object2.rb

@@ -0,0 +1,45 @@
+require_relative "helper"
+
+module Parfait
+  class TestPadding < MiniTest::Test
+
+    def setup
+      Parfait.boot!(Parfait.default_test_options)
+    end
+
+    def test_small
+      [6,27,28].each do |p|
+        assert_equal 32 , Parfait::Object.padded(p) , "Expecting 32 for #{p}"
+      end
+    end
+    def test_medium
+      [29,33,40,57,60].each do |p|
+        assert_equal 64 , Parfait::Object.padded(p) , "Expecting 64 for #{p}"
+      end
+    end
+
+    def test_large
+      [61,65,88].each do |p|
+        assert_equal 96 , Parfait::Object.padded(p) , "Expecting 96 for #{p}"
+      end
+    end
+    def test_list1
+      list = Parfait.new_list([1])
+      assert_equal 32 , list.padded_length
+    end
+    def test_list5
+      list = Parfait.new_list([1,2,3,4,5])
+      assert_equal 64 , list.padded_length
+    end
+    def test_type
+      type = Parfait::Type.for_hash Parfait.object_space.get_class_by_name(:Object) , {}
+      type.set_type( type )
+      assert_equal 32 , type.padded_length
+    end
+    def test_word
+      word = Parfait::Word.new(12)
+      assert_equal 32 , word.padded_length
+    end
+
+  end
+end