things: Refactor DataStorageManager to be more idiomatic.
things: Refactor DataStorageManager to be more idiomatic.

alex-quiterio/exercises-in-programming-style,alex-quiterio/exercises-in-programming-style,alex-quiterio/exercises-in-programming-style,alex-quiterio/exercises-in-programming-style,alex-quiterio/exercises-in-programming-style