Change end event behavior (readers field is updated before the edn event is emitted)

Add types field to package.json

lib/pcsclite.js

@@ -67,8 +67,8 @@ module.exports = function () {
 
 				r.on('_end', function () {
 					r.removeAllListeners('status');
-					r.emit('end');
 					delete readers[name];
+					r.emit('end');
 				});
 
 				readers[name] = r;