Fixed returned values. By a mistake it was returning the first ever opened reward instead of the latest ones... Now it is fixed ^^

- Added per-crate stats

Placeholders
%lastwinnersaddon_player_<crate>_<place>%
%lastwinnersaddon_reward_<crate>_<place>%
%lastwinnersaddon_chance_<crate>_<place>%