git-wiki-bookmark-fix

diff --git a/git-wiki.rb b/git-wiki.rb
index 9f36624..337a5f6 100755
--- a/git-wiki.rb
+++ b/git-wiki.rb
@@ -20,7 +20,7 @@ end

 get '/:page/append' do
   @page = Page.new(params[:page])
-  @page.body = @page.raw_body + "\n\n" + params[:text]
+  @page.append params[:text]
   redirect '/' + @page.name
 end

diff --git a/page.rb b/page.rb
index ba5ae2d..ef4f5b9 100644
--- a/page.rb
+++ b/page.rb
@@ -15,6 +15,10 @@ class Page
   def body
     @body ||= RubyPants.new(RDiscount.new(raw_body, :smart).to_html).to_html.wiki_linked
   end
+
+  def append(txt)
+    update(raw_body + "\n\n" + txt, "From bookmarklet")
+  end

   def branch_name
     $repo.current_branch