anchor.diff:  using keyword `:policy` on wrap-access-rules middleware.
   
   
  -An other way to use access rules is using `buddy.auth.accessrules/restrict` 
  +An other way to use access rules is using `buddy.auth.accessrules/restrict`
   handler decorator that allows assign some rules to concrete handlers omiting
   any url matching.
   
  
positive.code: </dependency>
  ----
  
  
  User guide
  ----------
  
negative.code: ----
  
  [NOTE]
  Functions like *hmac-sha256* just alias the more generic functions
  *hmac* and *salted-hmac*.
  
  
  