add sanity check
add sanity check

strukturag/VLCKit,kamcord/VLCKit,waterskier2007/VLCKit,simon1984/test,siuying/VLCKit,CollabraMusic/VLCKit,larrytin/VLCKit,hpsoar/VLCKit,CollabraMusic/VLCKit,programming086/VLCKit,waterskier2007/VLCKit,kamcord/VLCKit,simon1984/test,siuying/VLCKit,programming086/VLCKit,CollabraMusic/VLCKit,kamcord/VLCKit,larrytin/VLCKit,simon1984/test,siuying/VLCKit,hpsoar/VLCKit,waterskier2007/VLCKit,strukturag/VLCKit