Update v.1.66.3

Fixed an error saving items in stacks in the database;

Fishing system added;

New NPC added - fisherman;

Added crafting a fishing rod at the workbench;

Added selling of fishing rods by the fisherman;

Crafting has been updated with grilled fish and fish soup;

Grilled fish and fish soup have been added to merchants' stock for sale;

Seaweed (in case of failed fishing attempt) and Earthworms (for fishing, sold by the fisherman) have been added;

Duplicate items removed from the workbench and blacksmith's inventory;

Armor and weapon prices reduced among traders (will not be changed further in the near future);

Duplicates of armor removed from traders’ stock;

Beer effect now wears off after 60 seconds;

Fire arrows icon changed;

Arrow flight trajectory fixed;

Flight path of magical projectiles corrected;

Intelligence adds 3 mana points per skill point (was 1);

Endurance adds 2 health points per skill point (was 1);

Medicine provides 6% (was 3%) recovery speed bonus and 1.5% increase in HP restoration amount per level;

Concentration gives 6% (was 3%) MP regeneration rate boost and 1.5% increase in MP restoration amount per level.