anchor.diff:  * Range
   * Regular expression
   
  -==== Showing error messages in a template
  +=== Showing error messages in a template
   
   To show an error in a template, simply check for an error on a spcific field
   
  
positive.code: If the token is invalid the request will be redirected to a default
  403 Forbidden page.
  
  === Sessions
  
  With a http://en.wikipedia.org/wiki/Shared_nothing_architecture[Shared
  nothing architecture] in mind mangoo I/O uses a so called client-side
  
negative.code: }
  --------------------------------------------------------
  
  == Routes
  
  One of the main pieces of a mangoo I/O application is the mapping of
  requests URLs to controllers classes and their methods. Whether you are rendering a
  