Added the ability to create spawner crowbars (configurable in tools.yml file). Crowbars allow players to safely break spawners without any other tools. Crowbars can have usage, chance, price and more.

Added warning header for the spawner stat item (configurable in the layouts.yml file).

Fixed some empty text still sending.
Fixed unwanted item lore not hidden in the upgrade GUI.
Optimized file saving.
Added additional warnings when plaugin is loading.

Changed plugin text format to UTF-8 (if you encounted a text related bug, please, make sure to report it).