void MyDynamicArray::add(int v)
{
    nums = nums +1;
    if (nums>capacity) //doubles when capcity is reached
    {
        //time to double
        cout << "Doubling to : " << capacity * 2 << endl;
        capacity = capacity * 2;
    }
    int *temp;
    temp = new int[capacity];
    for( int x=0; x<nums; x++) //temp array to push numbers over
    {
        temp[x] = array[x];
    }
    temp[nums-1] = v;
    delete [] array;
    array = temp;
}