Added support for inner-nested expansions (requested by
@Yoshi_Galaxy)
You can take any expansion available on your server and have it as an input (inside the curly-braces) for expansions in ScoreboardObjectives.
Due to PlaceHolderAPI parsing, inner expansions do not use %%
Example (sorry I'm too lazy to think of a better one):
%objective_displayname_{test}% => "deaths"
%objective_displayname_{deaths}% => "Number of Deaths"
%objective_displayname_{objective_displayname_{test}}% => "Number of Deaths"