fixed 2 bugs

Fix 2 bugs

Changed sanity draining speed

fixed several bugs, add new sound, changed config keys

fixed levelx-vest crashed bug.

add new tech tree Ranger

add new material Rubstone

knifex and shovelx can be repaired by using rubstone

changed levelx-vest to warm during the winter
levelx-vest will cause speed * 0.8

increased ranger base movement speed

changed ranger san setting, now growing much slower at night and decreasing a bit quicker at day

Add new bodyarmor LevelX-Vest.
Configable input key.
Add sound for changing ShovelX form.

Changed shovel form

Add a new multi-tool, shovel x based on shovel-DJQ3 type which is used by modern army. No duribility for good. Tec two.

Changed M-X damage to 65.

Fixed cannot craft in the world with cave