Added a way for the game to try and load (and fix) savefiles with errors (usualy due to data that should not have been saved). It is likely to work in many instances, but not guaranted.

Multiple stacks of Retch on the ground have disminishing returns on the healing; to alleviate NPC necromancers summoning lots of ghouls and being basically on infinite regen mode :)

Chinese localization keep updating

This MR is for keep updating the rest localization contents for ToME4, for updated texts entries in latest version.
Hope it would be a text update only.


See merge request !638

Fallen sh rename

Changes to talent name and description as suggested by bnn to be less potentially triggering

See merge request !666