update result printer

Author: netcraft-devops

payu-mea-java-sample/src/main/java/co/za/payu/api/util/ResultPrinter.java

@@ -1,5 +1,8 @@
 package co.za.payu.api.util;
 
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;