Merge pull request phishman3579#22 from samyanez94/patch-1

Update List.java

Author: phishman3579

src/com/jwetherell/algorithms/data_structures/List.java

@@ -46,6 +46,7 @@ public boolean add(int index, T value) {
                 // Shift the array down one spot
                 System.arraycopy(array, index, array, index+1, size - index);
                 array[index] = value;
+                size++;
             }
             return true;
         }