def populate
      file = File.read(json_file)
      storage = JSON.parse(file, :symbolize_names => true)

      @hashes = storage[:hashes]
      convert if @hashes.is_a? Array

      @hashes
    end
def populate
      file = File.read(json_file)
      storage = JSON.parse(file, :symbolize_names => true)

      @hashes = storage[:hashes]
      convert if @hashes.is_a? Array

      @hashes
    end
Take a JSON representation of data and explode it out into the constituent
 Lists and Items for the given Storage instance.

 Returns all hashes.