TODO:
/**
* Appcropolis Site Binder: date
*
* Reformat a post/page date
*
* @param {array} $params
* $params['format']
* $params['when'] Post/Page date . If not value is passed, this will return the current date with the provided format.
* $params['elapsed'] If set (to any value), it will return the time ago.
* $params['daysafter'] Number the of days after present date.
* $params['daysbefore'] Number the of days before present date.
* $params['assign_to'] Variable withing the template engine to which the content has to be assinged.
*
*
* @example
*
* # EXAMPLE 1
*
* {{date format="F j, Y" when="2015-02-27 11:33:20" assign_to="my_date"}}
* <p>Created on {{$my_date}}</p>
*
* # EXAMPLE 2
*
* {{date elapsed="true" when="2015-02-27 11:33:20" assign_to="time_ago"}}
* <p>Created {{$time_ago} ago</p>
*
* # EXAMPLE 3
*
* <p>Created {{date when="2015-02-27 11:33:20" elapsed="true"}} ago</p>
*
* # EXAMPLE 4
*
* <p>This post was created {{date when="{{$post.post_date}}" elapsed="true"}} ago</p>
*
*
* @see http://php.net/manual/en/function.date.php
*
*/