Added optional arguments
Added optional arguments

lemaiyan/JsBarcode,web2solutions/JsBarcode,lindell/JsBarcode,mabelticketing/JsBarcode,toddw/io-barcode,HospitalRun/JsBarcode,luthfi401/JsBarcode,vertexcs-suraj/JsBarcode,lindell/JsBarcode,wavded/io-barcode,luthfi401/JsBarcode,lemaiyan/JsBarcode,cornerbodega/JsBarcode,web2solutions/JsBarcode,mabelticketing/JsBarcode,vertexcs-suraj/JsBarcode,wavded/io-barcode,cornerbodega/JsBarcode,toddw/io-barcode