Full rework of the Alchemy system (potion crafting), new essence and few changes

Changelog 0.14.3:

Adds:
- Essences: a new type of material that can be extracted from any plant and any monster part using the "Essence extractor" and crafting

Changes:
- New alchemy system, fully reworked potions crafting
- Food and potion no longer heal instantly. It will take 1 second instead.
- An "Essence extractor" can be found on the windmill ruin near the spawn (a new world is required to access this specific structure).
- Added some SP/MP regeneration on the main crystal.
- Each unlocked objective grant 5 fame.
- Thrust skill was nerfed.
- Thrust skill can be canceled (jump/dash).
- New potions: elemental resistance

Fix:
- Fixed directional dash on ground (down, down sides)
- Fixed world generation on building mode
- Damages displayed on boomerang don't take into account the level
- Probability on special craft tables is ignored

That's all for today, thank you for your support and do not hesitate to talk with us on our discord!
http://discord.gg/planetcentauri