KeeperRL v1.0 hotfix 9 is out

Fixed crash when generating upper z-levels caused by too little space available to place resource patches.
Riders on blind steeds won't enter deep water and other dangerous tiles without a warning.
Fixed gargoyle traps not being hostile to endless wave enemies.
Optimized the workshops window in a case where the player has hundreds of upgrade items stashed.
Made iron ore more visible on the minimap.