Merge pull request #25 from Pckool/patch-1

Update index.d.ts

Author: dinchak

index.d.ts

@@ -87,6 +87,7 @@ export declare class Output {
   send(evt: "stop"): void;
   send(evt: "activesense"): void;
   send(evt: "reset"): void;
+  send(evt: "sysex", param: Array<number>): void;
   close();
 }