anchor.diff:  ----
   
   Signing process consists on concat signature on the end of the original string,
  -separating the signature with predefined separator (default ":" char). Signature 
  -consists on timestamped hmac signature. *Timestamp* can be used for invalidate by 
  +separating the signature with predefined separator (default ":" char). Signature
  +consists on timestamped hmac signature. *Timestamp* can be used for invalidate by
   time some signed data.
   
   .Invalidate signed data using timestamp
  
positive.code: 
  All contributions to _buddy_ should keep these important rules in mind.
  
  Project Maturity
  ----------------
  
  _buddy_ is a young project and can experiment some api changes.
  
  Install
  -------
  
  This section covers a installation of _buddy_.
  
  Leiningen
  ~~~~~~~~~
  
  
negative.code: first section of this document.
  
  Instead of trust a session key,it extracts a token from `Authorization` header like oauth, and
  unsigns it (extracted token) using the signing framework.
  
  If a signature is valid, the contents of unsigned data trustly set to `:identity` key on request.
  
  