Add flag options for flush and offline modes
Add flag options for flush and offline modes

Fixes #65

VK10/UIP,akshatnitd/UIP,hackrush01/UIP,Aniq55/UIP,DarkSouL11/UIP,nemaniarjun/UIP,NIT-dgp/UIP,NIT-dgp/UIP,hassi2016/UIP,Aniq55/UIP,VK10/UIP,mohitshaw/UIP,nemaniarjun/UIP