News in this version:
- Allow generate keys to give only itens or add items to vip keys (see the commands);
- Added key uses, to allow players to use a key more than one time;
- New commands to list all types of keys and command to see all player vips, including offline players;
- Vips in separated file, to deny ovewrite if theres errors on config file;
- Some recode to be better with Sponge API ^^