improved simple log

src/main/java/de/mrbesen/telegram/log/SimpleLog.java

@@ -1,16 +1,24 @@
 package de.mrbesen.telegram.log;
 
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+
+import java.io.PrintStream;
+
+@NoArgsConstructor
+@AllArgsConstructor
 public class SimpleLog extends Log {
 
+	private PrintStream out = System.out;
+
 	@Override
 	public void log(String msg) {
-		System.out.println(msg);
+		out.println(msg);
 	}
 
 	@Override
 	public void log(String msg, Throwable t) {
-		System.out.println(msg);
-		t.printStackTrace(System.out);
+		out.println(msg);
+		t.printStackTrace(out);
 	}
-
 }