Fixed computation bugs with unit's accuracy (unit attacks sometimes missing despite GUI displaying 100+ hit).
Fixed reversed display for active unit's and target unit's critical hit rate in battle summary modal.
Added placeholder for magic triangle (currently disabled).
Refactored item usage and weapon durability decrement.
Fixed bug with invalid cleanup and spawning of inventory item interaction buttons. Refactored item usage decrement in inventory item use.
Added/updated helper functions/methods descriptions.