* /Gem(s) add <Player> <Amount>
perm: elementalgems.admin
desc: Add gems to a player's account
* /Gem(s) remove <Player> <Amount>
perm: elementalgems.admin
desc: Remove gems from a player's account
* /Gem(s) set <Player> <Amount>
perm: elementalgems.admin
desc: Set the amount gems in a player's account
* /Gem(s) give <Player> <Amount>
perm: elementalgems.admin
desc: Add gems to a player's inventory
* /Gem(s) reload
perm: elementalgems.admin
desc: Reload the configuration file.