fix for admin edit users

app/views/admin/users/edit.html.erb

@@ -3,6 +3,8 @@
     <h1>Edit User: <%= @user.name %></h1>
     
     <%= form_tag(admin_user_path(@user), :method => :put, :class => "simple_form") do %>
+      <%= hidden_field_tag :id %>
+      
       <div class="input integer optional">
         <label for="user_level" class="optional">Level</label>
         <%= user_level_select(:user, :level) %>