Binders: random

TODO:

/**
 * Generate or process a random value
 *
 * @example
 *
 * {{random }}                                  // prints 242938
 *
 * {{random length="4"}}                        // prints 3454
 *
 * {{random value="red,green,blue"}}            // prints green
 *
 * {{random before="?rand=" after="_page"}}     // prints ?rand=492759_page
 * 
 */