Generify everything a little

src/PDUProcessor/DebugPduProcessor.ts

@@ -1,14 +1,17 @@
 import {Center} from "../Center/Center";
+import {PDU} from "../CommonObjects";
 import {PduProcessor} from "./PduProcessor";
 
 export class DebugPduProcessor extends PduProcessor {
-    servesSessionType: string = Center.name;
+	serverSessionType: string = Center.name;
 
-	processPdu(session: any, pdu: any, ...args: any[]): Promise<any> {
+	processPdu(session: any, pdu: PDU, ...args: any[]): Promise<any> {
 		return new Promise<any>((resolve, reject) => {
-			session.send(pdu.response(), (replyPdu: any) => {
-				resolve(replyPdu);
-			});
+			if (pdu.response) {
+				session.send(pdu.response(), (replyPdu: any) => {
+					resolve(replyPdu);
+				});
+			}
 		})
 	}
 }