code: function patch(patchURI, patch, callback) {
  
    util.patch(patchURI, patch, function(err, res) {
      if (err) {
        callback(err)
      } else {
        callback(null, res)
      }
    })
  }
docs: patch a resource
  @param  {string} patchURI The URI to be patched
  @param  {string} patch    The data to patch