createStore(size) {
    const storage = [];

    // Initialize all indexes to false
    for (let storageCellIndex = 0; storageCellIndex < size; storageCellIndex += 1) {
      storage.push(false);
    }

    const storageInterface = {
      getValue(index) {
        return storage[index];
      },
      setValue(index) {
        storage[index] = true;
      },
    };

    return storageInterface;
  }
Creates the data store for our filter.
We use this method to generate the store in order to
encapsulate the data itself and only provide access
to the necessary methods.

@param {number} size
@return {Object}