Various fixes, internal download and improved shoptypes
FIX - No longer shading the imports directly, reducing the jar size (and now once again hosted directly on spigot)
FIX - Players being able to set storage to database in freemode, causing dataloss after restart
FIX - Substore types "EXP" and "Playerpoints" now work properly with the menus to set them and retrieve them
FIX - Startup crashes when failing to load hikariCP
IMPROVED - Better checks for worldguard
IMPROVED - More stable checks when no claim system is installed