Ruby 1.9 Compatibility

Completely removed the html5lib sanitizer.
Fixed the string-handling to work in both
Ruby 1.8.x and 1.9.2. There are still,
inexplicably, two functional tests that
fail. But the rest seems to work quite well.

attic/vendor/plugins/HTML5lib/test/test_cli.rb

@@ -0,0 +1,16 @@
+require File.join(File.dirname(__FILE__), 'preamble')
+require "html5/cli"
+
+class TestCli < Test::Unit::TestCase
+  def test_open_input
+    assert_equal $stdin, HTML5::CLI.open_input('-')
+    assert_kind_of StringIO, HTML5::CLI.open_input('http://whatwg.org/')
+    assert_kind_of File, HTML5::CLI.open_input('testdata/sites/google-results.htm')
+  end
+  
+  def test_parse_opts
+    HTML5::CLI.parse_opts [] # TODO test defaults
+    assert_equal 'hpricot', HTML5::CLI.parse_opts(['-b', 'hpricot']).treebuilder
+    assert_equal 'hpricot', HTML5::CLI.parse_opts(['--treebuilder', 'hpricot']).treebuilder
+  end
+end