New equipment stat, new dungeon and more

[p]Version 0.9.10.4 brings following features:[/p][p][/p][p]- new eq. stat kind: Durability[/p][p][/p][p][/p][p][/p][p]- new recipe kind: Restore Durability[/p][p]- small durability panel added to have a good overview[/p][p]- new dungeon kind: flooded dungeon[/p][p][/p][p][/p][p]- unique items have enhanced properties on further descent levels (dungeon crawling mode)[/p][p][/p]