fix 'PHP Strict Standards:  mktime(): You should be using the time() function instead'

z http://php.net/manual/en/function.mktime.php

"As of PHP 5.1, when called with no arguments, mktime() throws an E_STRICT notice: use the time() function instead."
Merge pull request #152 from pjona/patch-6

fix 'PHP Strict Standards:  mktime(): You should be using the time() fun...