lib/kissmetrics.js
function set_kissmetrics_client(person, properties, callback) {
  
  var query_params = new Object(properties)
    ;
  
  query_params['_p'] = person;
  
  this.request('/s', query_params, callback);
  
}
function set_kissmetrics_client(person, properties, callback) {
  
  var query_params = new Object(properties)
    ;
  
  query_params['_p'] = person;
  
  this.request('/s', query_params, callback);
  
}
****************************************************************************
Sets properties on a person without recording an event by making a request.

@param person {String} The identity of the person.

This is limited to 255 chars and all commas (,), and colons (:) will
automatically be changed to spaces (KISSmetrics will convert foo:bar,baz to
foo bar baz).

@param properties {Object} An object containing the properties to be set on
`person`.

@param callback {Function} A function of the form `function(err)`.