Updates
- [CoreRPG+] Modifier stack drag treated as standard number value.
- [5E] Class features that grant specializations are added to character feature list, in addition to specialization choice.
- [5E] Divine Favor spell effect override added for PCs.
- [DEV] windowcontrol: Added onVisibilityChanged event
- [DEV] windowinstance: onLockChanged handler changed to onLockStateChanged event
- [DEV][CoreRPG+] Added buttongroup_tabs_h template for horizontal tabs that uses text or string assets