Patch V0.0.8.5.4.6

V0.0.8.5.4.6
 * Fixed - SP No settlers arriving on reaching level IV
 * Fixed - Dock foundations not detected to be in water
 * Fixed - "Continue" loads wrong save
 * Fixed - Diving is impossible + Lung capacity way to low.
 * Fixed - SP - Task progression lost
 * Fixed - Open Chest locks player
 * Fixed - Doors still seem to obstruct foundations