When printing Pokemon from a region or letter the columns would be off
sometimes because the numbers of the Pokemon have a different quantity
of digits. Example: “2 Ivysaur” should be printed as “002 Ivysaur”.
The user can now type: “python3.5 Main.py kanto” and it will print all
the pokemon in the kanto region, as well as their corresponding number.
Supports kanto, johto, hoenn, and sinnoh