added IOCTL_CCID_ESCAPE constant to reader object to support escape command

lib/pcsclite.js

@@ -2,7 +2,7 @@
 
 const EventEmitter = require('events');
 const pcsclite = require('bindings')('pcsclite');
-const {PCSCLite, CardReader} = pcsclite;
+const { PCSCLite, CardReader } = pcsclite;
 
 
 inherits(PCSCLite, EventEmitter);
@@ -71,7 +71,7 @@ module.exports = function () {
 						return r.emit('error', err);
 					}
 
-					const status = {state: state};
+					const status = { state: state };
 
 					if (atr) {
 						status.atr = atr;