- (Example) Added new interval callback example
- (Example) Added new interval callback example

remillc/FlipClock,Renji/FlipClock,AleksandrChukhray/FlipClock,objectivehtml/FlipClock,davidBearinTokyo/FlipClock,victorblasco/FlipClock,theavish/FlipClock,fgilio/FlipClock,jsondavis/FlipClock,albertpastrana/FlipClock,billcrosbie/FlipClock,gitkiselev/FlipClock,tbilous/FlipClock,victorblasco/FlipClock,Renji/FlipClock,march1993/FlipClock,adrianha/FlipClock,AleksandrChukhray/FlipClock,ehsandod/FlipClock,PeterDaveHello/FlipClock,nemesiscodex/FlipClock,599316527/FlipClock,Dantalians/FlipClock,davidBearinTokyo/FlipClock,ehsandod/FlipClock,Exceltior/FlipClock,Dantalians/FlipClock