VLCMediaList: fixed 2 long-standing runtime exceptions preventing deletion of item 0 in a list if count = 1
VLCMediaList: fixed 2 long-standing runtime exceptions preventing deletion of item 0 in a list if count = 1

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