anchor.diff:  
   ### delete configuration [DELETE]
   
  -this is the same as calling `kdb rm {path}`
  -
   + Response 204
   
   + Response 400 (application/json)
  
positive.code:             - `PATH_NOT_FOUND` if the requested path does not exist in the key database
  
  ### set configuration [PUT]
  
  this is the same as calling `kdb set {path}`
  
  + Request (text/plain)
  
  
negative.code: 
  ### get configuration [GET]
  
  + Response 200 (application/json)
      + Attributes (object)
          + ls: user/hello, user/hello/world (array[string], required) - subkeys of the requested path, similar to `kdb ls`
  