Added strat of file extension check code
Added strat of file extension check code

hexacyanide/COG-Web,asayler/COG-Web,hexacyanide/COG-Web,asayler/COG-Web,taylorjandrews/COG-Web,hexacyanide/COG-Web,taylorjandrews/COG-Web,taylorjandrews/COG-Web,asayler/COG-Web