Issue 3: tygodniowo zle liczy
Project Member Reported by Sienicki...@gmail.com, May 19, 2014
tygodniowo zle liczy w pon bylo 5h z poprzedniego tygodnia
May 23, 2014
Project Member #1 Sienicki...@gmail.com
fixed 
$week_start = date('Y-m-d', strtotime('this week last sunday', $custom_date));
$week_end = date('Y-m-d', strtotime('this week next sunday', $custom_date));