title: how to define custom week range in FullCalendar
body: <p>how to define custom week range in Full Calendar. For example currently it is given 7 days week like 'Sun','Mon','Tue','Wed','Thu','Fri','Sat'. but i want to display 14 days week like 'SunA','MonA','TueA','WedA','ThuA','FriA','SatB','SunB','MonB','TueB','WedB','ThuB','FriB','SatB'.Is there any property by which i can set my week range days 14 without altering FullCalendar.js??</p>