The method to make a string from a collection of strings already exists
and should be used when adding multiple players to a team.
By: Wesley Wolfe <weswolf@aol.com>
FireworkEffect is an immutable class that requires the builder pattern
to construct, to reduce ambiguity and help make code uses more readable.
FireworkMeta contains a list of effects, as well as a flight height.
FireworkEffectMeta contains a single effect for charges.
By: Wesley Wolfe <weswolf@aol.com>
