public function testTimeframeImplementation()
{
$w = new Week(new DateTime('2014-04-16'));
$this->assertEquals('2014-04-14 00:00:00', $w->start()->format('Y-m-d H:i:s'));
$this->assertEquals('2014-04-20 23:59:59', $w->end()->format('Y-m-d H:i:s'));
}
