- Added implementation for Enum and Map

- Moving the CustomClass to data folder.
- Removing JSONBuilder.java
- Moving the implementation of JSONBuilder to JSONObject.

src/test/java/org/json/junit/data/CustomClassH.java

@@ -0,0 +1,22 @@
+package org.json.junit.data;
+
+import java.util.Map;
+import java.util.List;
+import java.util.ArrayList;
+
+public class CustomClassH {
+  public Map<String, List<Integer>> integerMap;
+
+  public CustomClassH() {}
+  public CustomClassH(Map<String, List<Integer>> integerMap) {
+    this.integerMap = integerMap;
+  }
+
+  @Override
+  public boolean equals(Object object) {
+    CustomClassH classH = (CustomClassH) object;
+    return this.integerMap.size() == classH.integerMap.size()
+    && this.integerMap.keySet().equals(classH.integerMap.keySet())
+    && new ArrayList<>(this.integerMap.values()).equals(new ArrayList<>(classH.integerMap.values()));
+  }
+}