Fixed bugs to Dictionary Classes

dictionary/Logfile.java

@@ -62,6 +62,18 @@ public class LogFile<K,V> implements Dictionary<K,V> {
         return  t;
     }
 
+    protected Entry<K, V> insert(Entry<K,V> in_e) throws InvalidKeyException {
+        //in_e not used because used internally
+        LocationAwareEntry<K,V> t = (LocationAwareEntry<K,V>)in_e;
+        list.addLast(t);
+        t.setLocation(list.last());
+        return  t;
+    }
+
+
+
+
+
     @Override
     public Entry<K, V> remove(Entry<K, V> e) throws InvalidEntryException {
         LocationAwareEntry<K,V> t = checkEntry(e);