Many Minor Fixes

Fixed a whole bunch of minor stuff.
Had a go at getting some of the plethora of broken tests to pass.

vendor/plugins/HTML5lib/lib/html5lib/html5parser/in_body_phase.rb

@@ -27,6 +27,8 @@ module HTML5lib
 
     handle_end %w( address blockquote center div dl fieldset listing menu ol pre ul ) => 'Block'
 
+    handle_end HEADING_ELEMENTS => 'Heading'
+
     handle_end %w( a b big em font i nobr s small strike strong tt u ) => 'Formatting'
 
     handle_end %w( head frameset select optgroup option table caption colgroup col thead tfoot tbody tr td th ) => 'Misplaced' 

vendor/plugins/HTML5lib/lib/html5lib/treebuilders/simpletree.rb

@@ -78,7 +78,7 @@ module HTML5lib
 
       class Element < Node
         def to_s
-           "<%s>" % name
+           "<#{name}>"
         end
 
         def printTree indent=0