Merge branch 'master' into 'master'

# Conflicts:
#   src/main/java/Enigma/model/Hardware.java
#   src/main/java/Enigma/model/Walze.java
#   src/test/java/Enigma/model/ReflektorTest.java
#   src/test/java/Enigma/model/SteckbrettTest.java
#   src/test/java/Enigma/model/WalzeTest.java

src/main/java/Enigma/model/Hardware.java

@@ -12,7 +12,7 @@ public class Hardware {
 	private String nachricht;
 	private String kenngruppe;
 
-	Hardware() {
+	public Hardware() {
 		this.walzen = new Walze[4];
 	}
 

src/main/java/Enigma/model/Walze.java

 package Enigma.model;
 
+import java.time.Year;
+
 /**
  * Klasse Walze
  * <p>