Fix serializer
Fix serializer

asrin475/fontello,marcia-kubik/fontello,CapeSepias/fontello,liguangmings/fontello,blackgirl/fontello,SKing7/fontellomt,marcia-kubik/fontello,CapeSepias/fontello,modulexcite/fontello,bartuspan/fontello,marcia-kubik/fontello,asrin475/fontello,Sivalingaamorthy/fontello,modulexcite/fontello,vinod1988/fontello,liguangmings/fontello,liguangmings/fontello,fontello/fontello,katgironpe/fontello,Sivalingaamorthy/fontello,modulexcite/fontello,vinod1988/fontello,blackgirl/fontello,cnbin/fontello,fontello/fontello,cnbin/fontello,vinod1988/fontello,Sivalingaamorthy/fontello,katgironpe/fontello,cnbin/fontello,katgironpe/fontello,asrin475/fontello,fontello/fontello,SKing7/fontellomt,bartuspan/fontello,bartuspan/fontello,CapeSepias/fontello,blackgirl/fontello