public function testTimeframeImplementation()
{
$m = new Month(new DateTime('2014-04-16'));
$this->assertEquals('2014-04-01 00:00:00', $m->start()->format('Y-m-d H:i:s'));
$this->assertEquals('2014-04-30 23:59:59', $m->end()->format('Y-m-d H:i:s'));
}
