Fix issue with jobs

src/Job/Job.ts

@@ -61,8 +61,12 @@ export class Job {
 		return new Job({}, 1, 1);
 	}
 
-	serialize(): string {
-		return JSON.stringify(this);
+	serialize(): object {
+		return {
+			pdu: JSON.stringify(this.pdu),
+			perSecond: this.perSecond,
+			count: this.count
+		};
 	}
 
 	on(event: string, callback: (...args: any[]) => void): void {

src/main.ts

@@ -1,9 +1,6 @@
-import {Center} from "./Center/Center";
 import {CenterSessionManager} from "./Center/CenterSessionManager";
-import {Client} from "./Client/Client";
 import ClientSessionManager from "./Client/ClientSessionManager";
 import {HttpServer} from "./HttpServer/HttpServer";
-import {Job} from "./Job/Job";
 import Logger from "./Logger";
 import {DebugPduProcessor} from "./PDUProcessor/DebugPduProcessor";
 import {EchoPduProcessor} from "./PDUProcessor/EchoPduProcessor";