[x] Make an option for guild leader to set the amount of guild chunks a member with a guild rank can claim. Total chunk limit stays the same, just a matter of who claims them. Access option similar to accessing guild rank permission book
[x] Make an option for guild leader to specify a total guild EXP earned threshold per guild rank. Reaching the threshold would automatically promote the guild member to this rank.
-> Make sure higher priority ranks need more exp than lower ones
-> Make it possible to disable this if leader dont want it