2.6.2.5 Calculation Fixes

This update contains an completely recode of the rename feature.
It's highly recommend to don't use the /land rename or /land admin land <Land> rename in the current stage. I fully tested this feature, but it's better to be on the safe side and wait a while. This feature may be currently sensitive and could damage the database. So please remove temporary lands.command.rename and lands.command.admin.land.rename permissions from all players.

Questions? Join my Discord server.

+ Added land.selection.config message
Appears if you have selection tool disabled and execute /Lands selection

[#] Fixed cost calculation
[#] Fixed cost increase mode
Reported by @Florenthz
Reported by @Pyaria