anchor.diff:          
           + url (string, required) - The url that the shortcode will point to
           + shortcode (string) - If informed, it will try to register this as
  -        the shortcode.
  +        the shortcode. It must respect the *^[0-9a-zA-Z_]{4,}$* pattern
               
       
   
  
positive.code: 
  + Response 200 (application/json)
          
          + Attributes (object)
          
              + startDate (datetime)    - Date of inclusion of the shortcode
              + redirectCount (integer) - Number of times that the shortcode was used.
              + lastSeenDate (datetime, optional) - Last time that the shortcode was used. This key will not be present if redirectCount == 0
      
  
  + Response 404 (text/plain)
  
              Shortcode not found.
negative.code:     + shortcode (string) - shortcode to get associated URL
  
  
  + Response 302 (text/html)
  
      + Header
  
              Location: http://shortcode_associated_url.com
  
  + Response 404 (text/html)
  
              Shortcode not found.
  
  