Adding a setter

src/main/java/de/bitsharesmunich/graphenej/UserAccount.java

@@ -48,6 +48,14 @@ public class UserAccount extends GrapheneObject implements ByteSerializable, Jso
         return accountName;
     }
 
+    /**
+     * Setter for the account name field.
+     * @param accountName: The account name.
+     */
+    public void setAccountName(String accountName) {
+        this.accountName = accountName;
+    }
+
     @Override
     public byte[] toBytes() {
         ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

src/main/java/de/bitsharesmunich/graphenej/api/GetAccountHistory.java

@@ -0,0 +1,7 @@
+package de.bitsharesmunich.graphenej.api;
+
+/**
+ * Created by nelson on 12/26/16.
+ */
+public class GetAccountHistory {
+}